CN206173142U - Get rid of device of ferro -manganese in drinking water - Google Patents
Get rid of device of ferro -manganese in drinking water Download PDFInfo
- Publication number
- CN206173142U CN206173142U CN201621039481.8U CN201621039481U CN206173142U CN 206173142 U CN206173142 U CN 206173142U CN 201621039481 U CN201621039481 U CN 201621039481U CN 206173142 U CN206173142 U CN 206173142U
- Authority
- CN
- China
- Prior art keywords
- module
- water
- ozone
- ultrafiltration
- ferrimanganic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a get rid of device of ferro -manganese in drinking water, this get rid of device of ferro -manganese in drinking water include from a colating module, one filter module, one ultraviolet sterilizing module, a ozone oxidation module, an ultrafiltration protective film piece and the ultra -filtration module of storage water tank to liquid filling machine according to the preface configuration, wherein, is this ozone oxidation module an ozone concentration 0.5 0.6ppm the ozone oxidation module. The utility model discloses it gets rid of the effect all to have better ferro -manganese to different iron and manganese content's water.
Description
Technical field
This utility model is related to a kind of appliance for treating drinking water, more particularly to a kind of dress for removing ferrimanganic in natural mineral water
Put.
Background technology
Now people attach great importance to the safety of drinking water, can be raw by subsoil water, tap water etc. through a series of process
Produce into be gone again after drinking pure water product and drink, but natural mineral water is due to its own particularity containing abundant mineral, nothing
Method is used and processed with pure water identical technique.There is the ferrum and manganese of ionic speciess in natural water, if without removal, producing
May cause to produce pore or flocculation in product because of the change of ferrimanganic element valence after product long storage time, affect
The quality problems and sense organ of product.
In prior art, also there are some to remove the device or method of ferrimanganic in drinking water.However, removing in existing drinking water
It is often preferable just for the higher water removal effect of iron manganese content in ferrimanganic technology.If raw water iron manganese content itself is relatively low,
There is certain removal difficulty, and removal effect is not obvious, even if remove cannot also guarantee final products after long-time is preserved not
Pore and flocculation problems occur.
Therefore, a kind of device of ferrimanganic in removal drinking water how is designed so as to can overcome in the presence of prior art
Defect, become those skilled in the art's problem demanding prompt solution.
Utility model content
The purpose of this utility model is to provide a kind of device for removing ferrimanganic in drinking water so as to can be for different ferrimanganics
The water of content is respectively provided with preferable ferrimanganic removal effect.
For achieving the above object, this utility model provides a kind of device for removing ferrimanganic in drinking water, for by a water storage
A raw water in case removes removing of iron and manganese and is filtered into after a drinking water to be input into a filling machine, the dress of ferrimanganic in the removal drinking water
Put including:
The coarse filtration module that sequentially configures from the storage tank to the filling machine, one first filtering module, one first ultraviolet kill
Bacterium module, an ozone oxidation module, a ultrafiltration protection module and a ultrafiltration module;
Wherein, the ozone oxidation module is the ozone oxidation module of an ozone concentration 0.5-0.6ppm.
Wherein, the raw water is selected from natural mineral water.The natural mineral water from it is standard compliant from spring or
Person's subsoil water.When the raw water meets Standard for Natural Mineral Waters, the drinking water obtained after filtration drinks natural ore spring for one
Water.
Wherein, quartz sand is housed in the coarse filtration module as filter medium.Specifically, the coarse filtration module is a kind of utilization
Filter medium removes each middle float, microorganism and other subparticles in eliminating water, is finally reached reduction water turbidity, purified water
A kind of high efficiency filter module of matter effect.Quartz sand can be adopted in a better embodiment as filtrate (filter medium),
The function of coarse filtration is realized in the form of sand filtering modules.Preferably, the density of quartz sand filter media is not less than 2.55g/cm3, calcination
Decrement is not more than 0.5%, SiO2Content is not less than 95%, particle diameter between 0.6-1.2mm, backwash space in the coarse filtration module >=
40% (actual height is increased and decreased according to flow and tub volume).
Certainly, in addition to the coarse filtration module, those skilled in the art can also be according to practical situation in first filtering module
Add other filtering modules before, such as the bigger coarse filtration module of pore size filter, have the activated carbon filtering module of adsorption function, this
Utility model is not intended to limit the addition of those modules.
Wherein, first filtering module is filtering module of the pore size filter less than or equal to 100 μm.Preferably, this first
Filtering module is self-cleaning filter of the pore size filter less than or equal to 100 μm.First filtering module can using filter screen or its
His defecator directly intercepts the impurity in water, removes water body recovery technology, particulate matter, reduces turbidity, purifies water, and reduces system
Dirt, bacterium algae, corrosion etc. are produced, to purify water and protection system other equipment normal work.First filtering module can be according to
Water quality situation arranges backwash time automatic back-washing, when pressure reduction Jing is often greater than 0.5Mpa, carries out the clear of defecator (such as filter screen)
Wash.
Wherein, the first ultraviolet-sterilization module is the ultraviolet-sterilization module of ultraviolet wavelength 200-280nm.Ultraviolet wavelength
Preferably 265nm.The dosage control of the first ultraviolet-sterilization module is in 40-120mj/cm2(that is, middle pressure dosage is 120mj/cm2,
Low pressure dosage is 40mj/cm2).The first ultraviolet-sterilization module can used using uviol lamp or other ultraviolet equipments
When, it is both needed to ensure that ultraviolet equipment is normally-open in whole ultraviolet-sterilization step.The first ultraviolet-sterilization module is come with the effect of UVC
The DNA of destruction antibacterial, with this sterilizing that carries out disinfection, reduces the micro organism quantity brought into from raw water, it is to avoid in subsequent step
Microorganism is grown.After the first ultraviolet-sterilization module, water outlet total plate count≤100CFU/mL, mycete/yeast≤
10CFU/100mL。
Wherein, after the coarse filtration module, first filtering module and the first ultraviolet-sterilization module, the water quality of water outlet is such as
Under:Without foreign odor, free from extraneous odour, there is the natural rock salt precipitation of very small amount, but foreign, electrical conductivity 100-200 μ s/cm, pH (25 DEG C)
Between 6.0-7.5, hardness < 100mg/L, TDS < 200mg/L, turbidity≤3NTU, colourity≤10 degree, total plate count≤
100CFU/100mL, mycete/yeast≤10CFU/100mL, coliform is 0MPN/100mL, and Pseudomonas aeruginosa is 0CFU/
250mL, streptococcus faecalis are 0CFU/250mL, and bacillus perfringens are 0CFU/50mL.
Wherein, the ozone oxidation module is the ozone oxidation module of an ozone concentration 0.5-0.6ppm.It is dense in this ozone
Under degree, expected technique effect can be reached.The ozone oxidation module is when using, it is ensured that the oxidization time of 60 ± 15min.
In one better embodiment, the ozone oxidation module includes the ozone buffering blending tank of two parallel connections, and each ozone buffering is mixed
The volume for closing tank is 35 tons, and ratio of height to diameter is more than 6, and the ozone concentration in tank is 0.5-0.6ppm.Through the ozone oxidation module
Afterwards, iron ion excessive in water and manganese ion can be removed, such as to iron-holder≤500ppb, the water of manganese content≤50ppb, Jing
The ozone oxidation module is crossed, the manganese content in water≤10ppb can be down to, iron content is down to≤10ppb.
In existing drinking water removing of iron and manganese process unit, generally having just for the high water of iron manganese content preferably remove effect
Really.If iron manganese content is low in water, it is very difficult to remove, even if removing, it is also difficult to ensure to remove completely, product is it is possible to when long
Between preserve after occur flocculation problems (even if raw water meets the requirement of manganese content≤0.4ppm in GB GB/T8538-2008, if but
Higher than 0.01ppm, however it remains occur the risk of yellow flocculation after long-term preservation).
Manganese in water body was soluble manganese originally, as many prices change of manganese element can form soluble-salt so as to become
Be difficult to remove (the manganese ion valence state in water body by+divalent to+7 valencys, but in addition to the manganese of+divalent with+4 valencys, other valence state manganese from
Son in water can not stable existence, soluble in water+divalent manganese is the main object to be removed).For this problem, this reality
A kind of method and device for removing ferrimanganic in drinking water (particularly natural mineral water) is specially devised with new, with ozone oxidation
Mode, the solubility ferrimanganic in water is processed, prevented with this due to manganese element many prices change and formed
The problem that soluble-salt cannot be removed --- after removing most of ferrimanganic, the generation of pore in product and following process can be avoided
After some months, there is asking for yellow flocculation through chemical actions such as long-time oxidations in the soluble manganese not eliminated in product
Topic.Ozone is the isomer of oxygen, there is extremely strong oxidisability, and oxidation-reduction potential is only second to fluorine, and under normal temperature and pressure, ozone exists
Dissolubility in water is 13 times of oxygen, and can play a part of simultaneously in water process sterilization, sterilization, this process safety it is nontoxic and
Compared with the relatively bulky aerator of volume, big quantity space can be saved.
Ozone oxidation of the present utility model uses condition (ozone concentration 0.5-0.6ppm, the oxidization time 60 for specially designing
± 15min), wherein, if ozone concentration is too high, overlong time, hyperoxidation, generation may be caused to be oxidized to higher than+4 valencys
Soluble-salt;If oxidation concentration is too low, the time is too short, the problem of dysoxidation equally occurs, cause manganese salt to form 4
The insoluble matter of valence state.The ozone concentration limited using this utility model and oxidization time, can remove major part ferrimanganic, be really achieved
(what is do not eliminated in product can after some months to avoid the generation of pore and future in product for expected technique effect
Dissolubility manganese occurs the problem of yellow flocculation through chemical actions such as long-time oxidations).
Ozone oxidation module of the present utility model, its action principle is as follows:
This utility model employs ozone oxidation, and the deferrization and demanganization principle of filtration is soluble in water by ozone using ozone machine,
Further by Fe in water2+And Mn2+It is oxidized to water-fast Fe3+And MnO2, then removed it by follow-up filter plant.
Fe-Mn oxidation reaction equation is as follows:
2Fe2++O3+5H2O=2Fe (OH)3+O2+4H+
2Mn2++2O3=2MnO2+O2
This utility model is obvious not only for the raw water removal efficiency of high iron manganese content, and there is certain ferrimanganic for water inlet
Content, content is not again that the same removal effect of too high raw water is obvious, such as to iron-holder≤500ppb, manganese content≤50ppb
Raw water, manganese content can be down to≤10ppb after the set technique, iron content is down to≤10ppb.Therefore, except removing of iron and manganese
Effect well beyond, this utility model also has the wide scope of application, has both gone for the removal of ferrimanganic in high iron manganese content water,
It is readily adaptable for use in the removal of ferrimanganic in low iron manganese content water.
Wherein, the ultrafiltration module is ultrafiltration module of the molecular cut off more than or equal to 10000 dalton.Preferably, this is super
Filter module is the ultrafiltration module of molecular cut off 10000-100000 dalton.For ultrafiltration module, molecular cut off is got over
More preferably, but if setting molecular cut off is too small, the life-span that can also reduce ultrafiltration module, (ultrafilter membrane needed more frequency to little rejection effect
Numerous replacing), therefore, considering cost and filter effect, more preferably, the ultrafiltration module is molecular cut off 50000-
The ultrafiltration module of 80000 dalton.The ultrafiltration module is made up of hydrophilically modified material, is filtered using external-compression type, can retain
Float, colloid, antibacterial, fine impurity and larger molecular organicses (such as coliform and colloidal silicon) in water.It is super through this
After filter module, delivery turbidity < 0.3NTU, total plate count≤200CFU/100mL, mycete/yeast≤20CFU/100mL, SDI <
4.The ultrafiltration module is cross flow filter ultrafiltration module, an including lower water inlet, a middle part separating medium, a central upper portion water outlet
Mouth and a upper side outlet.The lower water inlet is used to be input into the water of ozone oxidation module discharge;The middle part separating medium
For carrying out ultrafiltration, it can be doughnut (membrane tube of such as aperture at 1.5 nanometers to 0.2 micron);In the top
Water after the filtration of heart outlet output, and be inputted in filling machine;The upper side outlet is used for concentrated water of draining.The ultrafiltration
Module settings at least per backwash in 1 hour once, also, when pressure fixing and aquifer yield decline 10% or aquifer yield fix and enter to produce
When differential water pressures rise 15%, dosing backwash is carried out.Specifically, the ultrafiltration module operation a period of time after, the impurity in water
It is trapped within every film silk of ultrafiltration, system carries out square impact and backwash automatically by PLC controls, and the impurity in ultrafilter membrane is rinsed
Fall.Again after common backwash several times, system can carry out chemistry and strengthen backwash, and the impurity in film is thoroughly washed off.
Wherein, between the ultrafiltration module and the ozone oxidation module, also including a ultrafiltration protection module, the ultrafiltration protection
Module includes one second ultraviolet-sterilization module and one second filtering module being linked in sequence;The second ultraviolet-sterilization module is ultraviolet
The ultraviolet-sterilization module of line wavelength 280-315nm, second filtering module is filter module of the pore size filter less than or equal to 100 μm
Block, preferably, second filtering module is self-cleaning filter of the pore size filter less than or equal to 100 μm.Through ozone oxygen
After changing module, to first pass through and enter back into ultrafiltration after the second ultraviolet-sterilization module and the second filtering module, be achieved in ultrafiltration module
Protection:Second ultraviolet-sterilization module further removes the microorganism in water body, prevents microorganism from staying in after being retained by ultrafiltration super
Grow on filter membrane, it is often more important that, the principal set up purpose of the second ultraviolet-sterilization module is put out from ozone oxygen using ultraviolet
Change the ozone brought in module, it is desirable to which ozone concentration is 0mg/L after UV, prevent the water with ozone from entering ultrafiltration, destroy ultrafiltration
Film;The ferrimanganic insoluble matter that second filtering module further removes the granule foreign in water body and before this ozone oxidation is produced, with
This reaches the purpose of protection subsequent ultrafiltration membrane filtration element.
Wherein, between the ultrafiltration module and the filling machine, also including the ozone sterilization module being linked in sequence and eventually
End filtering module (end-filtration composite module);The ozone sterilization module is the ozone sterilization mould of 0.3 ± 0.1ppm of ozone concentration
Block;The end-filtration module is filtering module (such as 1 μm of titanium rod ultimate filter) of the pore size filter less than or equal to 1 μm.
After ultrafiltration module, then filling machine is entered back into after ozone sterilization module and end-filtration module, can preferably ensure final
Product quality:Ozone in the ozone sterilization module destroys the structure of microbial film with the Oxidation of oxygen atom, to realize killing
Bacterium acts on, and ozone can react with the double bond of bacteria cell wall lipid, penetrate inside thalline, act on albumen and lipopolysaccharide, change
The permeability of cell, so as to cause bacterial death, after ozone sterilization, under room temperature normality normal pressure oxygen is can be analyzed to, will not
Human body is damaged;End-filtration module can adopt 1 μm of titanium rod as filter element (more preferably, it would however also be possible to employ 0.2 μm
The degerming filter element (PTFE materials) of the filtering material of resistance to ozone), fine impurities and microorganism are filtered, further ensure that aseptic in product
And pure, the safety of final water quality.Specifically, in end-filtration module, filter is mainly made up of 2 parts, filter
Tank body and filter element.This is filtered into dead-end filtration (one-in-and-one-out), before being mounted in filling machine, to prevent minute solid particles (big
In 1 μm) and microorganism enter in product and (may filter that more than 0.2 μ if resistance to ozone sterilizing filter element of the filter element using PTFE materials
The solid particle of m and microorganism), it is ensured that the last safety filtered together, it is ensured that final products drinking water (drinking mineral water)
Quality.
The method that this utility model also provides ferrimanganic in a kind of removal drinking water, for by the raw water in a storage tank
Remove removing of iron and manganese and be filtered into after a drinking water to be input into a filling machine, the method for ferrimanganic includes following step in the removal drinking water
Suddenly:
1) raw water is exported from the storage tank and a coarse filtration step is carried out;
2) to step 1) product water carry out one first filtration step;
3) to step 2) product water carry out one first ultraviolet-sterilization step;
4) to step 3) product water carry out an ozone oxidation step;
5) to step 4) product water carry out a ultrafiltration protection step and ultrafiltration step, obtain the drinking water;
6) drinking water is drained into into the filling machine;
Wherein, the ozone concentration in the ozone oxidation step is 0.5-0.6ppm, and oxidization time is 60 ± 15min.
Wherein, the raw water is selected from natural mineral water.The natural mineral water from it is standard compliant from spring or
Person's subsoil water.When the raw water meets Standard for Natural Mineral Waters, the drinking water obtained after filtration drinks natural ore spring for one
Water.
Wherein, in the coarse filtration step, using quartz sand as filter medium.Preferably, the coarse filtration step is using a coarse filtration
Module houses quartz sand carrying out, in the coarse filtration module as filter medium.In the coarse filtration step, gone using filter medium
Each middle float, microorganism and other subparticles in eliminating water, are finally reached reduction water turbidity, the mesh of the effect that purifies water
's.Coarse filtration can be realized in the form of sand filtration using quartz sand as filtrate (filter medium) in a better embodiment
Function.Preferably, the density of quartz sand filter media is not less than 2.55g/cm3, burning decrement is not more than 0.5%, SiO2Content is not little
In 95%, between 0.6-1.2mm, (actual height is according to flow and tub for backwash space >=40% in the coarse filtration module for particle diameter
Volume is increased and decreased).
Certainly, in addition to coarse filtration step, those skilled in the art can also according to practical situation first filtration step it
Front other filtration steps of addition, the such as bigger coarse filtration step of pore size filter, the activated carbon filtration step for having adsorption function, this reality
With the new addition for being not intended to limit those steps.
Wherein, the pore size filter of first filtration step is less than or equal to 100 μm.Preferably, first filtration step can be with
Using self-cleaning filter of the pore size filter less than or equal to 100 μm.First filtration step can be using filter screen or other filtrations
Device directly intercepts the impurity in water, removes water body recovery technology, particulate matter, reduces turbidity, purifies water, reduction system dirt,
Bacterium algae, corrosion etc. are produced, to purify water and protection system other equipment normal work.First filtration step can be according to water quality feelings
Condition arranges backwash time automatic back-washing, when pressure reduction Jing is often greater than 0.5Mpa, carries out the cleaning of defecator (such as filter screen).
Wherein, the first ultraviolet-sterilization step adopts the ultraviolet of wavelength 200-280nm.The preferably ultraviolet of 265nm.
Wherein, the dosage control of the first ultraviolet-sterilization step is in 40-120mj/cm2(that is, middle pressure dosage is 120mj/cm2, low pressure agent
Measure as 40mj/cm2).The first ultraviolet-sterilization step can adopt uviol lamp or other ultraviolet equipments, when in use, entirely
It is both needed to ensure that ultraviolet equipment is normally-open in ultraviolet-sterilization step.The first ultraviolet-sterilization step is destroyed carefully with the effect of UVC
The DNA of bacterium, with this sterilizing that carries out disinfection, reduces the micro organism quantity brought into from raw water, it is to avoid microorganism in subsequent step
Grow.After the first ultraviolet-sterilization step, water outlet total plate count≤100CFU/mL, mycete/yeast≤10CFU/
100mL。
Wherein, after the coarse filtration step, first filtration step and the first ultraviolet-sterilization step, water outlet (i.e. step 3
Water outlet) water quality it is as follows:Without foreign odor, free from extraneous odour, there is the natural rock salt precipitation of very small amount, but foreign, electrical conductivity 100-200
μ s/cm, pH (25 DEG C) between 6.0-7.5, hardness < 100mg/L, TDS < 200mg/L, turbidity≤3NTU, colourity≤10
Degree, total plate count≤100CFU/100mL, mycete/yeast≤10CFU/100mL, coliform is 0MPN/100mL, and Aerugo is false
Zymomonas mobiliss are 0CFU/250mL, and streptococcus faecalis are 0CFU/250mL, and bacillus perfringens are 0CFU/50mL.
Wherein, in the ozone oxidation step, the ozone concentration for being used be 0.5-0.6ppm, oxidization time be 60 ±
15min.Above-mentioned actual conditions is set to this utility model to ensure the specially design of removing of iron and manganese effect, can reach preferably
Removing of iron and manganese effect.After the ozone oxidation step, the manganese content in water can be down to≤10ppb, iron content is down to≤
10ppb.Ozone oxidation step of the present utility model can be carried out with an ozone oxidation module, and for example the ozone oxidation step can
So that using the ozone of two parallel connections buffering blending tank, the volume of each ozone buffering blending tank is 35 tons, ratio of height to diameter be 6 with
On, the ozone concentration in tank is 0.5-0.6ppm.
In existing drinking water removing of iron and manganese process unit, generally having just for the high water of iron manganese content preferably remove effect
Really.If iron manganese content is low in water, it is very difficult to remove, even if removing, it is also difficult to ensure to remove completely, product is it is possible to when long
Between preserve after occur flocculation problems (even if drinking water meets the requirement of manganese content≤0.4ppm in GB GB/T8538-2008, but
If being higher than 0.01ppm, however it remains occur the risk of yellow flocculation after long-term preservation).
Manganese in water body was soluble manganese originally, as many prices change of manganese element can form soluble-salt so as to become
Be difficult to remove (the manganese ion valence state in water body by+divalent to+7 valencys, but in addition to the manganese of+divalent with+4 valencys, other valence state manganese from
Son in water can not stable existence, soluble in water+divalent manganese is the main object to be removed).For this problem, this reality
A kind of method and device for removing ferrimanganic in drinking water (particularly natural mineral water) is specially devised with new, with ozone oxidation
Mode, the solubility ferrimanganic in water is processed, prevented with this due to manganese element many prices change and formed
The problem that soluble-salt cannot be removed --- after removing most of ferrimanganic, the generation of pore in product and following process can be avoided
After some months, there is asking for yellow flocculation through chemical actions such as long-time oxidations in the soluble manganese not eliminated in product
Topic.Ozone is the isomer of oxygen, there is extremely strong oxidisability, and oxidation-reduction potential is only second to fluorine, and under normal temperature and pressure, ozone exists
Dissolubility in water is 13 times of oxygen, and can play a part of simultaneously in water process sterilization, sterilization, this process safety it is nontoxic and
Compared with the relatively bulky aerator of volume, big quantity space can be saved.
Ozone oxidation of the present utility model uses condition (ozone concentration 0.5-0.6ppm, the oxidization time 60 for specially designing
± 15min), wherein, if ozone concentration is too high, overlong time, hyperoxidation, generation may be caused to be oxidized to higher than+4 valencys
Soluble-salt;If oxidation concentration is too low, the time is too short, the problem of dysoxidation equally occurs, cause manganese salt to form 4
The insoluble matter of valence state.The ozone concentration limited using this utility model and oxidization time, can remove major part ferrimanganic, be really achieved
(what is do not eliminated in product can after some months to avoid the generation of pore and future in product for expected technique effect
Dissolubility manganese occurs the problem of yellow flocculation through chemical actions such as long-time oxidations).
Ozone oxidation step of the present utility model, its action principle is as follows:
This utility model employs ozone oxidation, and the deferrization and demanganization principle of filtration is soluble in water by ozone using ozone machine,
Further by Fe in water2+And Mn2+It is oxidized to water-fast Fe3+And MnO2, then removed it by follow-up filter plant.
Fe-Mn oxidation reaction equation is as follows:
2Fe2++O3+5H2O=2Fe (OH)3+O2+4H+
2Mn2++2O3=2MnO2+O2
This utility model is obvious not only for the raw water removal efficiency of high iron manganese content, and there is certain ferrimanganic for water inlet
Content, content is not again that the same removal effect of too high raw water is obvious, such as to iron-holder≤500ppb, manganese content≤50ppb
Raw water, manganese content can be down to≤10ppb after this utility model technique, iron content is down to≤10ppb.Therefore, except
Removing of iron and manganese effect well beyond, this utility model also has the wide scope of application, has both gone for ferrimanganic in high iron manganese content water
Removal, it is also possible to the removal of ferrimanganic suitable for low iron manganese content water.
Wherein, the molecular cut off of the ultrafiltration step is more than or equal to 10000 dalton.Preferably, the ultrafiltration step cut
Molecular weight is stayed to be 10000-100000 dalton.For ultrafiltration module, the less rejection effect of molecular cut off more preferably, but
If arranging, molecular cut off is too small, also can reduce the life-span (ultrafilter membrane needs frequent replacing) of ultrafiltration module, therefore, it is comprehensive
Consider cost and filter effect, more preferably, the molecular cut off of the ultrafiltration step is 50000-80000 dalton.The ultrafiltration step
Suddenly can be with the float in trap water, colloid, antibacterial, fine impurity and larger molecular organicses (such as coliform and colloidal silicon
Deng), after the ultrafiltration step, delivery turbidity < 0.3NTU, total plate count≤200CFU/100mL, mycete/yeast≤
20CFU/100mL, SDI < 4.The ultrafiltration step can be carried out using a ultrafiltration module.The ultrafiltration module is by hydrophilically modified
Material is made, and is filtered using external-compression type.Specifically, the ultrafiltration module be cross flow filter ultrafiltration module, including a bottom water inlet
Mouth, a middle part separating medium, a central upper portion outlet and a upper side outlet.The lower water inlet is used to be input into ozone
The water that oxidation module is discharged;The middle part separating medium is used to carry out ultrafiltration, and it can (for example aperture exists for doughnut
1.5 nanometers to 0.2 micron of membrane tube);Water after central upper portion outlet output filtration, and be inputted in filling machine;Should
Upper side outlet is used for concentrated water of draining.Wherein, a backwash was at least carried out in the ultrafiltration step per 1 hour, also, when pressure
Power fix and aquifer yield decline 10% or aquifer yield fix and enter to produce differential water pressures rise 15% when, carry out dosing backwash.It is concrete and
Speech, after operation a period of time, the impurity in water is trapped within every film silk of ultrafiltration to the ultrafiltration module that the ultrafiltration step is used
Interior, system carries out square impact and backwash automatically by PLC controls, and the impurity in ultrafilter membrane is rinsed out.Again through common several times anti-
After washing, system can carry out chemistry and strengthen backwash, and the impurity in film is thoroughly washed off.
Wherein, between the ultrafiltration step and the ozone oxidation step, also step is protected including a ultrafiltration, the ultrafiltration protection
Step includes one second ultraviolet-sterilization step and one second filtration step for sequentially carrying out;The second ultraviolet-sterilization step adopts ripple
The ultraviolet of long 280-315nm;The pore size filter of second filtration step is less than or equal to 100 μm, preferably, the second filtration step
The rapid self-cleaning filter using a pore size filter less than or equal to 100 μm.After ozone oxidation step, second is first passed through purple
Ultrafiltration step is entered back into after outer sterilisation step and the second filtration step, the protection to device element in ultrafiltration step is achieved in:
Second ultraviolet-sterilization step further removes the microorganism in water body, prevents microorganism from staying in after being retained by ultrafiltration on ultrafilter membrane and grows
It is raw, it is often more important that, the principal set up purpose of the second ultraviolet-sterilization step is put out from ozone oxidation step using ultraviolet
The ozone brought into, it is desirable to which ozone concentration is 0mg/L after UV, prevents the water with ozone from entering ultrafiltration, destroys ultrafilter membrane;Second mistake
The ferrimanganic insoluble matter that filter step further removes the granule foreign in water body and before this ozone oxidation is produced, with this protection is reached
The purpose of subsequent ultrafiltration membrane filtration element.
Wherein, after the ultrafiltration step, the drinking water is drained into and also include before the filling machine ozone that order is carried out
Sterilisation step and an end-filtration step.The ozone sterilization step adopts the ozone of 0.3 ± 0.1ppm of concentration;The end-filtration step
Rapid pore size filter is less than or equal to 1 μm (such as can use 1 μm of titanium rod ultimate filter).After ultrafiltration step, then pass through
Filling machine is entered back into after ozone sterilization step and end-filtration step, can preferably ensure end product quality:The ozone is killed
Ozone in bacterium step destroys the structure of microbial film with the Oxidation of oxygen atom, to realize bactericidal action, ozone can with it is thin
The double bond reaction of bacterium lipid cell-wall, penetrates inside thalline, acts on albumen and lipopolysaccharide, changes the permeability of cell, so as to
Cause bacterial death, after ozone sterilization, under room temperature normality normal pressure oxygen is can be analyzed to, human body will not be damaged;Eventually
End filtration step can adopt 1 μm of titanium rod as filter element (more preferably, it would however also be possible to employ 0.2 μm of the filtering material of resistance to ozone
Degerming filter element (PTFE materials)), fine impurities and microorganism are filtered, further ensure that the pure of aseptic in product and final water quality
Only, safety.Specifically, the filter for adopting in end-filtration step is mainly made up of 2 parts, filter tank body and excessively filtering element
Part.This is filtered into dead-end filtration (one-in-and-one-out), before being mounted in filling machine, to prevent minute solid particles (more than 1 μm) and micro- life
Thing is entered in product and (solid particle more than 0.2 μm is may filter that if the filter element of resistance to ozone sterilizing of the filter element using PTFE materials
And microorganism), it is ensured that the last safety filtered together, it is ensured that final products drinking water (drinking mineral water) quality.
Wherein, the method for removing ferrimanganic in drinking water of the present utility model, it is possible to use remove drinking water as above
The device of middle ferrimanganic is carrying out.
It is above-described, by the better embodiment of this utility model one provide remove drinking water in ferrimanganic method and
Device, which provide complete set drinks water producing method device, directly the whole series can use.But what needs were particularly pointed out
It is, this utility model ozone oxidation module (step) to be not limited to just to be used with reference in said method, it is also possible to combine
Of the prior art drink in water producing method and device in others so as to more excellent go removing of iron and manganese effect with extra.
Based on this, this utility model also provides a kind of device of ferrimanganic in removal drinking water, is arranged at one and drinks aquatic product
On line, the device of ferrimanganic includes in the removal drinking water:
One ozone oxidation module;
Wherein, the ozone oxidation module is the ozone oxidation module of an ozone concentration 0.5-0.6ppm.
The ozone oxidation module is when using, it is ensured that the oxidization time of 60 ± 15min, can reach preferably effect.Jing
After crossing the ozone oxidation module, the manganese content in water outlet is down to≤0.01ppm, and iron content is down to≤0.01ppm.
The drinking water production line can include filtering module, ultraviolet-sterilization module, ultrafiltration module and ozone sterilization module etc..
Those skilled in the art can (i.e. this be smelly according to the device of ferrimanganic in practical situation setting removal drinking water of the present utility model
Oxygen oxidation module) particular location.For example, can be arranged on after ultraviolet-sterilization module with before ultrafiltration module, but not as
Limit (ozone being put out if ultrafiltration being connect after ozone oxidation and need in advance carry out UV, to protect ultrafiltration module).Preferably, defeated in raw water
Before entering the ozone oxidation module, preliminary filtration and ultraviolet-sterilization are preferably had been carried out, filtered more than 100 μm of impurity
And make total plate count≤100CFU/mL, mycete/yeast≤10CFU/100mL.
Based on this, the method that this utility model also provides ferrimanganic in a kind of removal drinking water drinks aquatic producing line for one
On, the method for ferrimanganic includes in the removal drinking water:
One ozone oxidation step;
Wherein, the ozone concentration in the ozone oxidation step is 0.5-0.6ppm, and oxidization time is 60 ± 15min.
After the ozone oxidation step, the manganese content in water outlet is down to≤0.01ppm, and iron content is down to≤0.01ppm.
Production stage in the drinking water production line, can include filtration step, ultraviolet-sterilization step, ultrafiltration step and ozone sterilization step
It is rapid etc..The method that those skilled in the art can arrange ferrimanganic in the removal drinking water of the present utility model according to practical situation
The specifically used position of (i.e. the ozone oxidation step), is arranged between two steps of certain above-mentioned.For example, purple can be arranged on
After outer sterilisation step with ultrafiltration step before, but not as limit (put out if ultrafiltration being connect after ozone oxidation and need in advance carry out UV
Ozone, to protect ultrafiltration module).Preferably, before raw water carries out the ozone oxidation step, preferably having been carried out preliminary
Filtration and ultraviolet-sterilization, filtered more than 100 μm of impurity and made total plate count≤100CFU/mL, mycete/yeast≤
10CFU/100mL。
Wherein, the method for removing ferrimanganic in drinking water of the present utility model, it is possible to use remove drinking water as above
The device of middle ferrimanganic is carrying out.
Compared with prior art, this utility model is simple to operate, cannot be only used for removing the higher raw water of iron manganese content, also
It is applicable to remove and there is certain iron manganese content but be not very high water quality.To iron-holder≤500ppb, manganese content≤50ppb
Raw water after filtering, contain can the iron content≤10ppb in final products, manganese content≤7ppb, Jing comparisons, ferrimanganic
Amount (ferrum 10ppb, manganese 7ppb) is the critical point for preventing product from yellow flocculation occur.Final products drinking water of the present utility model
(mineral water) can reach following quality:Colourity≤10 degree, are not presented other heterochromatic;Turbidity≤1NTU, can without twenty-twenty vision
See alien material, and carried out after sucking filtration, without pore on diaphragm using 0.45 μm of filter membrane;PH between 6.5-7.5, electrical conductivity
100-200 μ s/cm, TDS < 200mg/L, are 0mg/L after ozone remnants 24h;Ferrum < 0.01mg/L, manganese < 0.007mg/L, bromine
Hydrochlorate < 0.01mg/L, total plate count is 0CFU/100mL, and mycete and yeast are 0CFU/100mL, and coliform is 0CFU/
100mL, Pseudomonas aeruginosa is 0CFU/250mL.
This utility model is described in detail below in conjunction with the drawings and specific embodiments, but not as to this utility model
Restriction.
Description of the drawings
Fig. 1 is made up of the system for removing the device of ferrimanganic in drinking water that the better embodiment of this utility model one is provided
Schematic diagram;
The system structure for removing the device of ferrimanganic in drinking water that Fig. 2 is provided by another better embodiment of this utility model
Into schematic diagram;
Fig. 2 a are that the thin portion module of ultrafiltration protection module in the device of ferrimanganic in removal drinking water of the present utility model is illustrated
Figure;
Fig. 2 b are the thin portion module of end-filtration composite module in the device of ferrimanganic in removal drinking water of the present utility model
Schematic diagram;
Wherein, reference:
1 storage tank
2 filling machines
3 devices for removing ferrimanganic in drinking water
31 coarse filtration modules
32 first filtering modules
33 first ultraviolet-sterilization modules
34 ozone oxidation modules
35 ultrafiltration modules
350 ultrafiltration protection modules
3501 second ultraviolet-sterilization modules
3502 second filtering modules
36 end-filtration composite modules
361 ozone sterilization modules
362 end-filtration modules
Specific embodiment
For technical characterstic of the present utility model can be demonstrated, so that those skilled in the art can be apparent from this reality
With new structure, feature, occupation mode and technique effect, below by specific embodiment, and accompanying drawing is combined, to this practicality
New scheme is illustrated.But described below is only to illustrate to be used, and is not intended as restriction of the present utility model.
It is to be respectively provided with preferable ferrimanganic removal effect for the water of different iron manganese contents referring first to Fig. 1, this practicality is new
Type provides a kind of device 3 for removing ferrimanganic in drinking water, for removing removing of iron and manganese and being filtered into the raw water in a storage tank 1
It is input into after one drinking water to a filling machine 2, the device 3 of ferrimanganic includes in the removal drinking water:
The coarse filtration module 31 that sequentially configures from the storage tank to the filling machine, one first filtering module 32, one first are purple
Outer sterilization module 33, an ozone oxidation module 34, a ultrafiltration protection module 350 and a ultrafiltration module 35;
Wherein, the ozone oxidation module 34 is the ozone oxidation module of an ozone concentration 0.5-0.6ppm.
Wherein, the raw water is selected from natural mineral water.The natural mineral water from it is standard compliant from spring or
Person's subsoil water.When the raw water meets Standard for Natural Mineral Waters, the drinking water obtained after filtration drinks natural ore spring for one
Water.
Fig. 1, Fig. 2 are please also refer to, the coarse filtration mould houses quartz sand as filter medium in 31.Specifically, the coarse filtration
Module 31 is that one kind removes each middle float, microorganism and other subparticles in eliminating water using filter medium, is finally reached drop
A kind of high efficiency filter module of low water turbidity, the effect that purifies water.Quartz sand conduct can be adopted in a better embodiment
Filtrate (filter medium), realizes the function of coarse filtration in the form of sand filtering modules.Preferably, the density of quartz sand filter media is not less than
2.55g/cm3, burning decrement is not more than 0.5%, SiO2Content be not less than 95%, particle diameter between 0.6-1.2mm, the coarse filtration mould
Backwash space >=40% in block (actual height is increased and decreased according to flow and tub volume).
Certainly, in addition to the coarse filtration module 31, those skilled in the art can also be according to practical situation in first filter module
Add other filtering modules before block 32, such as the bigger coarse filtration module of pore size filter, have the activated carbon filtering module of adsorption function
Deng this utility model is not intended to limit the addition of those modules.
First filtering module 32 is filtering module of the pore size filter less than or equal to 100 μm.Preferably, first filtration
Module 32 is self-cleaning filter of the pore size filter less than or equal to 100 μm.First filtering module 32 can using filter screen or its
His defecator directly intercepts the impurity in water, removes water body recovery technology, particulate matter, reduces turbidity, purifies water, and reduces system
Dirt, bacterium algae, corrosion etc. are produced, to purify water and protection system other equipment normal work.First filtering module 32 can
Backwash time automatic back-washing is set according to water quality situation, when pressure reduction Jing is often greater than 0.5Mpa, defecator is carried out (such as filter screen)
Cleaning.
The first ultraviolet-sterilization module 33 is the ultraviolet-sterilization module of ultraviolet wavelength 200-280nm.Ultraviolet wavelength compared with
It is good for 265nm.The dosage control of the first ultraviolet-sterilization module 33 is in 40-120mj/cm2(that is, middle pressure dosage is 120mj/cm2,
Low pressure dosage is 40mj/cm2).The first ultraviolet-sterilization module 33 can used using uviol lamp or other ultraviolet equipments
When, it is both needed to ensure that ultraviolet equipment is normally-open in whole ultraviolet-sterilization step.The first ultraviolet-sterilization module 33 is with the effect of UVC
To destroy the DNA of antibacterial, with this sterilizing that carries out disinfection, reduce the micro organism quantity brought into from raw water, it is to avoid subsequent step
Middle microorganism is grown.After the first ultraviolet-sterilization module 33, water outlet total plate count≤100CFU/mL, mycete/yeast≤
10CFU/100mL。
After the coarse filtration module 31, first filtering module 32 and the first ultraviolet-sterilization module 33, the water quality of water outlet
It is as follows:Without foreign odor, free from extraneous odour, there is the natural rock salt precipitation of very small amount, but foreign, electrical conductivity 100-200 μ s/cm, pH (25
DEG C) between 6.0-7.5, hardness < 100mg/L, TDS < 200mg/L, turbidity≤3NTU, colourity≤10 degree, total plate count
≤ 100CFU/100mL, mycete/yeast≤10CFU/100mL, coliform is 0MPN/100mL, and Pseudomonas aeruginosa is
0CFU/250mL, streptococcus faecalis are 0CFU/250mL, and bacillus perfringens are 0CFU/50mL.
The ozone oxidation module 34 is set to key point of the present utility model, specific as follows:
The ozone oxidation module 34 is the ozone oxidation module of an ozone concentration 0.5-0.6ppm.In this ozone concentration
Under, expected technique effect can be reached.The ozone oxidation module 34 is when using, it is ensured that the oxidization time of 60 ± 15min.
In one better embodiment, the ozone oxidation module 34 includes the ozone buffering blending tank of two parallel connections, each ozone buffering
The volume of blending tank is 35 tons, and ratio of height to diameter is more than 6, and the ozone concentration in tank is 0.5-0.6ppm.Through the ozone oxidation mould
After block 34, iron ion excessive in water and manganese ion can be removed, such as to iron-holder≤500ppb, manganese content≤50ppb's
Water, through the ozone oxidation module 34, can be down to≤10ppb by the manganese content in water, and iron content is down to≤10ppb.
In existing drinking water removing of iron and manganese process unit, generally having just for the high water of iron manganese content preferably remove effect
Really.If iron manganese content is low in water, it is very difficult to remove, even if removing, it is also difficult to ensure to remove completely, product is it is possible to when long
Between preserve after occur flocculation problems (even if raw water meets the requirement of manganese content≤0.4ppm in GB GB/T8538-2008, if but
Higher than 0.01ppm, however it remains occur the risk of yellow flocculation after long-term preservation).
Manganese in water body was soluble manganese originally, as many prices change of manganese element can form soluble-salt so as to become
Be difficult to remove (the manganese ion valence state in water body by+divalent to+7 valencys, but in addition to the manganese of+divalent with+4 valencys, other valence state manganese from
Son in water can not stable existence, soluble in water+divalent manganese is the main object to be removed).For this problem, this reality
A kind of method and device for removing ferrimanganic in drinking water (particularly natural mineral water) is specially devised with new, with ozone oxidation
Mode, the solubility ferrimanganic in water is processed, prevented with this due to manganese element many prices change and formed
The problem that soluble-salt cannot be removed --- after removing most of ferrimanganic, the generation of pore in product and following process can be avoided
After some months, there is asking for yellow flocculation through chemical actions such as long-time oxidations in the soluble manganese not eliminated in product
Topic.Ozone is the isomer of oxygen, there is extremely strong oxidisability, and oxidation-reduction potential is only second to fluorine, and under normal temperature and pressure, ozone exists
Dissolubility in water is 13 times of oxygen, and can play a part of simultaneously in water process sterilization, sterilization, this process safety it is nontoxic and
Compared with the relatively bulky aerator of volume, big quantity space can be saved.
Ozone oxidation of the present utility model uses condition (ozone concentration 0.5-0.6ppm, the oxidization time 60 for specially designing
± 15min), wherein, if ozone concentration is too high, overlong time, hyperoxidation, generation may be caused to be oxidized to higher than+4 valencys
Soluble-salt;If oxidation concentration is too low, the time is too short, the problem of dysoxidation equally occurs, cause manganese salt to form 4
The insoluble matter of valence state.The ozone concentration limited using this utility model and oxidization time, can remove major part ferrimanganic, be really achieved
(what is do not eliminated in product can after some months to avoid the generation of pore and future in product for expected technique effect
Dissolubility manganese occurs the problem of yellow flocculation through chemical actions such as long-time oxidations).
Ozone oxidation module 34 of the present utility model, its action principle is as follows:
This utility model employs ozone oxidation, and the deferrization and demanganization principle of filtration is soluble in water by ozone using ozone machine,
Further by Fe in water2+And Mn2+It is oxidized to water-fast Fe3+And MnO2, then removed it by follow-up filter plant.
Fe-Mn oxidation reaction equation is as follows:
2Fe2++O3+5H2O=2Fe (OH)3+O2+4H+
2Mn2++2O3=2MnO2+O2
This utility model is obvious not only for the raw water removal efficiency of high iron manganese content, and there is certain ferrimanganic for water inlet
Content, content is not again that the same removal effect of too high raw water is obvious, such as to iron-holder≤500ppb, manganese content≤50ppb
Raw water, manganese content can be down to≤10ppb after the set technique, iron content is down to≤10ppb.Therefore, except removing of iron and manganese
Effect well beyond, this utility model also has the wide scope of application, has both gone for the removal of ferrimanganic in high iron manganese content water,
It is readily adaptable for use in the removal of ferrimanganic in low iron manganese content water.
Please continue with reference to Fig. 1, Fig. 2.The ultrafiltration module 35 is ultrafiltration mould of the molecular cut off more than or equal to 10000 dalton
Block.Preferably, ultrafiltration module of the ultrafiltration module 35 for molecular cut off 10000-100000 dalton.For ultrafiltration module
Speech, the less rejection effect of molecular cut off more preferably, but if setting molecular cut off is too small, can also reduce the life-span of ultrafiltration module
(ultrafilter membrane need frequent replacing), therefore, considering cost and filter effect, more preferably, the ultrafiltration module 35 is to cut
Stay the ultrafiltration module of molecular weight 50000-80000 dalton.The ultrafiltration module 35 is made up of hydrophilically modified material, using external pressure
Formula is filtered, can be with the float in trap water, colloid, antibacterial, fine impurity and larger molecular organicses (such as coliform and colloid
Silicon etc.).After the ultrafiltration module 35, delivery turbidity < 0.3NTU, total plate count≤200CFU/100mL, mycete/yeast≤
20CFU/100mL, SDI < 4.The ultrafiltration module 35 is cross flow filter ultrafiltration module, an including lower water inlet a, middle part separates
Medium, a central upper portion outlet and a upper side outlet.The lower water inlet is used to be input into the row of ozone oxidation module 34
The water for going out;The middle part separating medium is used to carry out ultrafiltration, and it can (such as aperture be at 1.5 nanometers to 0.2 for doughnut
The membrane tube of micron);Water after central upper portion outlet output filtration, and be inputted in filling machine 2;The upper side water outlet
Mouth is for concentrated water of draining.The ultrafiltration module 35 is set at least per backwash in 1 hour once, also, when pressure fixing under aquifer yield
When drop 10% or aquifer yield are fixed and enter to produce differential water pressures rising 15%, dosing backwash is carried out.Specifically, the ultrafiltration module 35 exists
Operation a period of time after, the impurity in water is trapped within every film silk of ultrafiltration, system by PLC control carry out automatically square impact and
Backwash, rinses out the impurity in ultrafilter membrane.Again after common backwash several times, system can carry out chemistry and strengthen backwash,
Impurity in film is thoroughly washed off.
Please with particular reference to Fig. 2 and Fig. 2 a, between the ultrafiltration module 35 and the ozone oxidation module 34, also including a ultrafiltration
Protection module 350, the ultrafiltration protection module 350 includes that one second ultraviolet-sterilization module 3501 and one second being linked in sequence is filtered
Module 3502;The second ultraviolet-sterilization module 3501 is the ultraviolet-sterilization module of ultraviolet wavelength 280-315nm, second filtration
Module 3502 is filtering module of the pore size filter less than or equal to 100 μm, preferably, second filtering module 3502 is a filtering holes
Self-cleaning filter of the footpath less than or equal to 100 μm.After ozone oxidation module 34, the second ultraviolet-sterilization module is being first passed through
3501 and second ultrafiltration is entered back into after filtering module 3502, be achieved in the protection to ultrafiltration module 35:Second ultraviolet-sterilization mould
Block 3501 further removes the microorganism in water body, prevents microorganism from staying in after being retained by ultrafiltration on ultrafilter membrane and grows, more important
, the principal set up purpose of the second ultraviolet-sterilization module 3501 put out from ozone oxidation module using ultraviolet and brought into
Ozone (it is also to come therefrom that ultraviolet wavelength is arranged different from the first ultraviolet-sterilization module), it is desirable to which ozone concentration is 0mg/L after UV,
Prevent the water with ozone from entering ultrafiltration, destroy ultrafilter membrane;The granule that second filtering module 3502 is further removed in water body is miscellaneous
The ferrimanganic insoluble matter that matter and before this ozone oxidation are produced, with this purpose of protection subsequent ultrafiltration membrane filtration element is reached.
Please with particular reference to Fig. 2 and Fig. 2 b, between the ultrafiltration module and the filling machine, also including the ozone being linked in sequence
The end-filtration module 362 (end-filtration composite module 36) of sterilization module 361 and;The ozone sterilization module 361 is that ozone is dense
The ozone sterilization module of 0.3 ± 0.1ppm of degree;The end-filtration module 362 is filtering module of the pore size filter less than or equal to 1 μm
(such as 1 μm of titanium rod ultimate filter).After ultrafiltration module 35, then through ozone sterilization module 361 and end-filtration module
Filling machine is entered back into after 362, can preferably ensure end product quality:Ozone in the ozone sterilization module 361 is former with oxygen
The Oxidation of son destroys the structure of microbial film, and to realize bactericidal action, ozone can be anti-with the double bond of bacteria cell wall lipid
Should, penetrate inside thalline, albumen and lipopolysaccharide are acted on, change the permeability of cell, so as to cause bacterial death, ozone sterilization
Afterwards, oxygen is can be analyzed under room temperature normality normal pressure, human body will not be damaged;End-filtration module 362 can adopt 1
μm titanium rod as filter element (more preferably, it would however also be possible to employ the degerming filter element (PTFE materials) of 0.2 μm of the filtering material of resistance to ozone),
Fine impurities and microorganism are filtered, pure, the safety of aseptic in product and final water quality is further ensured that.Specifically, at end
In the filtering module 362 of end, filter is mainly made up of 2 parts, filter tank body and filter element.This is filtered into dead-end filtration
(one-in-and-one-out), before being mounted in filling machine 2, to prevent minute solid particles (more than 1 μm) and microorganism from entering in product (if filter
Core then may filter that solid particle more than 0.2 μm and microorganism using the filter element of resistance to ozone sterilizing of PTFE materials), it is ensured that last
The safety that road is filtered, it is ensured that final products drinking water (drinking mineral water) quality.
The method that this utility model also provides ferrimanganic in a kind of removal drinking water, for by the raw water in a storage tank
Remove removing of iron and manganese and be filtered into after a drinking water to be input into a filling machine, the method for ferrimanganic includes following step in the removal drinking water
Suddenly:
1) raw water is exported from the storage tank and a coarse filtration step is carried out;
2) to step 1) product water carry out one first filtration step;
3) to step 2) product water carry out one first ultraviolet-sterilization step;
4) to step 3) product water carry out an ozone oxidation step;
5) to step 4) product water carry out a ultrafiltration protection step and ultrafiltration step, obtain the drinking water;
6) drinking water is drained into into the filling machine;
Wherein, the ozone concentration in the ozone oxidation step is 0.5-0.6ppm, and oxidization time is 60 ± 15min.
In step 1) in, the raw water is selected from natural mineral water.The natural mineral water from it is standard compliant from
Spring or subsoil water.When the raw water meets Standard for Natural Mineral Waters, the drinking water obtained after filtration drinks day for one
Right mineral water.
In the coarse filtration step, using quartz sand as filter medium.Preferably, the coarse filtration step is to be come using a coarse filtration module
Carry out, quartz sand is housed in the coarse filtration module as filter medium.In the coarse filtration step, gone in eliminating water using filter medium
Each middle float, microorganism and other subparticles, are finally reached reduction water turbidity, the purpose of the effect that purifies water.One
The function of coarse filtration can be realized in the form of sand filtration using quartz sand as filtrate (filter medium) in better embodiment.
Preferably, the density of quartz sand filter media is not less than 2.55g/cm3, burning decrement is not more than 0.5%, SiO2Content is not less than 95%,
Between 0.6-1.2mm, (actual height is carried out backwash space >=40% particle diameter according to flow and tub volume in the coarse filtration module
Increase and decrease).
Certainly, in addition to coarse filtration step, those skilled in the art can also according to practical situation first filtration step it
Front other filtration steps of addition, the such as bigger coarse filtration step of pore size filter, the activated carbon filtration step for having adsorption function, this reality
With the new addition for being not intended to limit those steps.
In step 2) in, the pore size filter of first filtration step is less than or equal to 100 μm.Preferably, the first filtration step
Suddenly self-cleaning filter of the pore size filter less than or equal to 100 μm can be adopted.First filtration step can using filter screen or its
His defecator directly intercepts the impurity in water, removes water body recovery technology, particulate matter, reduces turbidity, purifies water, and reduces system
Dirt, bacterium algae, corrosion etc. are produced, to purify water and protection system other equipment normal work.First filtration step can be according to
Water quality situation arranges backwash time automatic back-washing, when pressure reduction Jing is often greater than 0.5Mpa, carries out the clear of defecator (such as filter screen)
Wash.
In step 3) in, the first ultraviolet-sterilization step adopts the ultraviolet of wavelength 200-280nm.Preferably 265nm's
Ultraviolet.Wherein, the dosage control of the first ultraviolet-sterilization step is in 40-120mj/cm2(that is, middle pressure dosage is 120mj/cm2,
Low pressure dosage is 40mj/cm2).The first ultraviolet-sterilization step can used using uviol lamp or other ultraviolet equipments
When, it is both needed to ensure that ultraviolet equipment is normally-open in whole ultraviolet-sterilization step.The first ultraviolet-sterilization step is come with the effect of UVC
The DNA of destruction antibacterial, with this sterilizing that carries out disinfection, reduces the micro organism quantity brought into from raw water, it is to avoid in subsequent step
Microorganism is grown.After the first ultraviolet-sterilization step, water outlet total plate count≤100CFU/mL, mycete/yeast≤
10CFU/100mL。
After the coarse filtration step, first filtration step and the first ultraviolet-sterilization step, (i.e. step 3 goes out for water outlet
Water) water quality it is as follows:Without foreign odor, free from extraneous odour, there is the natural rock salt precipitation of very small amount, but foreign, electrical conductivity 100-200 μ s/
Cm, pH (25 DEG C) between 6.0-7.5, hardness < 100mg/L, TDS < 200mg/L, turbidity≤3NTU, colourity≤10 degree,
Total plate count≤100CFU/100mL, mycete/yeast≤10CFU/100mL, coliform is 0MPN/100mL, P. aeruginosa
Bacterium is 0CFU/250mL, and streptococcus faecalis are 0CFU/250mL, and bacillus perfringens are 0CFU/50mL.
Ozone oxidation step is committed step of the present utility model, and specifically details are as follows:
In step 4) in, in the ozone oxidation step, the ozone concentration for being used is 0.5-0.6ppm, and oxidization time is 60
±15min.Above-mentioned actual conditions is set to this utility model to ensure the specially design of removing of iron and manganese effect, can reach compared with
Good removing of iron and manganese effect.After the ozone oxidation step, the manganese content in water can be down to≤10ppb, iron content is down to
≤10ppb.Ozone oxidation step of the present utility model can be carried out with an ozone oxidation module, for example the ozone oxidation step
The ozone buffering blending tank of two parallel connections can be used, the volume of each ozone buffering blending tank is 35 tons, ratio of height to diameter be 6 with
On, the ozone concentration in tank is 0.5-0.6ppm.
In existing drinking water removing of iron and manganese process unit, generally having just for the high water of iron manganese content preferably remove effect
Really.If iron manganese content is low in water, it is very difficult to remove, even if removing, it is also difficult to ensure to remove completely, product is it is possible to when long
Between preserve after occur flocculation problems (even if drinking water meets the requirement of manganese content≤0.4ppm in GB GB/T8538-2008, but
If being higher than 0.01ppm, however it remains occur the risk of yellow flocculation after long-term preservation).
Manganese in water body was soluble manganese originally, as many prices change of manganese element can form soluble-salt so as to become
Be difficult to remove (the manganese ion valence state in water body by+divalent to+7 valencys, but in addition to the manganese of+divalent with+4 valencys, other valence state manganese from
Son in water can not stable existence, soluble in water+divalent manganese is the main object to be removed).For this problem, this reality
A kind of method and device for removing ferrimanganic in drinking water (particularly natural mineral water) is specially devised with new, with ozone oxidation
Mode, the solubility ferrimanganic in water is processed, prevented with this due to manganese element many prices change and formed
The problem that soluble-salt cannot be removed --- after removing most of ferrimanganic, the generation of pore in product and following process can be avoided
After some months, there is asking for yellow flocculation through chemical actions such as long-time oxidations in the soluble manganese not eliminated in product
Topic.Ozone is the isomer of oxygen, there is extremely strong oxidisability, and oxidation-reduction potential is only second to fluorine, and under normal temperature and pressure, ozone exists
Dissolubility in water is 13 times of oxygen, and can play a part of simultaneously in water process sterilization, sterilization, this process safety it is nontoxic and
Compared with the relatively bulky aerator of volume, big quantity space can be saved.
Ozone oxidation of the present utility model uses condition (ozone concentration 0.5-0.6ppm, the oxidization time 60 for specially designing
± 15min), wherein, if ozone concentration is too high, overlong time, hyperoxidation, generation may be caused to be oxidized to higher than+4 valencys
Soluble-salt;If oxidation concentration is too low, the time is too short, the problem of dysoxidation equally occurs, cause manganese salt to form 4
The insoluble matter of valence state.The ozone concentration limited using this utility model and oxidization time, can remove major part ferrimanganic, be really achieved
(what is do not eliminated in product can after some months to avoid the generation of pore and future in product for expected technique effect
Dissolubility manganese occurs the problem of yellow flocculation through chemical actions such as long-time oxidations).
Ozone oxidation step of the present utility model, its action principle is as follows:
This utility model employs ozone oxidation, and the deferrization and demanganization principle of filtration is soluble in water by ozone using ozone machine,
Further by Fe in water2+And Mn2+It is oxidized to water-fast Fe3+And MnO2, then removed it by follow-up filter plant.
Fe-Mn oxidation reaction equation is as follows:
2Fe2++O3+5H2O=2Fe (OH)3+O2+4H+
2Mn2++2O3=2MnO2+O2
This utility model is obvious not only for the raw water removal efficiency of high iron manganese content, and there is certain ferrimanganic for water inlet
Content, content is not again that the same removal effect of too high raw water is obvious, such as to iron-holder≤500ppb, manganese content≤50ppb
Raw water, manganese content can be down to≤10ppb after this utility model technique, iron content is down to≤10ppb.Therefore, except
Removing of iron and manganese effect well beyond, this utility model also has the wide scope of application, has both gone for ferrimanganic in high iron manganese content water
Removal, it is also possible to the removal of ferrimanganic suitable for low iron manganese content water.
In step 5) in, the molecular cut off of the ultrafiltration step is more than or equal to 10000 dalton.Preferably, the ultrafiltration step
Rapid molecular cut off is 10000-100000 dalton.For ultrafiltration module, the less rejection effect of molecular cut off is more
It is good, but if arranging, molecular cut off is too small, can also reduce the life-span (ultrafilter membrane needs frequent replacing) of ultrafiltration module, because
This, considering cost and filter effect, more preferably, the molecular cut off of the ultrafiltration step is 50000-80000 dalton.Should
Ultrafiltration step can be with the float in trap water, colloid, antibacterial, fine impurity and larger molecular organicses (such as coliform and glue
Body silicon etc.), after the ultrafiltration step, delivery turbidity < 0.3NTU, total plate count≤200CFU/100mL, mycete/yeast≤
20CFU/100mL, SDI < 4.The ultrafiltration step can be carried out using a ultrafiltration module.The ultrafiltration module is by hydrophilically modified
Material is made, and is filtered using external-compression type.Specifically, the ultrafiltration module be cross flow filter ultrafiltration module, including a bottom water inlet
Mouth, a middle part separating medium, a central upper portion outlet and a upper side outlet.The lower water inlet is used to be input into ozone
The water that oxidation module is discharged;The middle part separating medium is used to carry out ultrafiltration, and it can (for example aperture exists for doughnut
1.5 nanometers to 0.2 micron of membrane tube);Water after central upper portion outlet output filtration, and be inputted in filling machine;Should
Upper side outlet is used for concentrated water of draining.Wherein, a backwash was at least carried out in the ultrafiltration step per 1 hour, also, when pressure
Power fix and aquifer yield decline 10% or aquifer yield fix and enter to produce differential water pressures rise 15% when, carry out dosing backwash.It is concrete and
Speech, after operation a period of time, the impurity in water is trapped within every film silk of ultrafiltration to the ultrafiltration module that the ultrafiltration step is used
Interior, system carries out square impact and backwash automatically by PLC controls, and the impurity in ultrafilter membrane is rinsed out.Again through common several times anti-
After washing, system can carry out chemistry and strengthen backwash, and the impurity in film is thoroughly washed off.
In addition, between the ultrafiltration step and the ozone oxidation step, also step is protected including a ultrafiltration, the ultrafiltration protection
Step includes one second ultraviolet-sterilization step and one second filtration step for sequentially carrying out;The second ultraviolet-sterilization step adopts ripple
The ultraviolet of long 280-315nm;The pore size filter of second filtration step is less than or equal to 100 μm, preferably, the second filtration step
The rapid self-cleaning filter using a pore size filter less than or equal to 100 μm.After ozone oxidation step, second is first passed through purple
Ultrafiltration step is entered back into after outer sterilisation step and the second filtration step, the protection to device element in ultrafiltration step is achieved in:
Second ultraviolet-sterilization step further removes the microorganism in water body, prevents microorganism from staying in after being retained by ultrafiltration on ultrafilter membrane and grows
It is raw, it is often more important that, the principal set up purpose of the second ultraviolet-sterilization step is put out from ozone oxidation step using ultraviolet
The ozone brought into, it is desirable to which ozone concentration is 0mg/L after UV, prevents the water with ozone from entering ultrafiltration, destroys ultrafilter membrane;Second mistake
The ferrimanganic insoluble matter that filter step further removes the granule foreign in water body and before this ozone oxidation is produced, with this protection is reached
The purpose of subsequent ultrafiltration membrane filtration element.
In addition, after the ultrafiltration step, the drinking water being drained into and also include before the filling machine ozone that order is carried out
Sterilisation step and an end-filtration step.The ozone sterilization step adopts the ozone of 0.3 ± 0.1ppm of concentration;The end-filtration step
Rapid pore size filter is less than or equal to 1 μm (such as can use 1 μm of titanium rod ultimate filter).After ultrafiltration step, then pass through
Filling machine is entered back into after ozone sterilization step and end-filtration step, can preferably ensure end product quality:The ozone is killed
Ozone in bacterium step destroys the structure of microbial film with the Oxidation of oxygen atom, to realize bactericidal action, ozone can with it is thin
The double bond reaction of bacterium lipid cell-wall, penetrates inside thalline, acts on albumen and lipopolysaccharide, changes the permeability of cell, so as to
Cause bacterial death, after ozone sterilization, under room temperature normality normal pressure oxygen is can be analyzed to, human body will not be damaged;Eventually
End filtration step can adopt 1 μm of titanium rod as filter element (more preferably, it would however also be possible to employ 0.2 μm of the filtering material of resistance to ozone
Degerming filter element (PTFE materials)), fine impurities and microorganism are filtered, further ensure that the pure of aseptic in product and final water quality
Only, safety.Specifically, the filter for adopting in end-filtration step is mainly made up of 2 parts, filter tank body and excessively filtering element
Part.This is filtered into dead-end filtration (one-in-and-one-out), before being mounted in filling machine, to prevent minute solid particles (more than 1 μm) and micro- life
Thing is entered in product and (solid particle more than 0.2 μm is may filter that if the filter element of resistance to ozone sterilizing of the filter element using PTFE materials
And microorganism), it is ensured that the last safety filtered together, it is ensured that final products drinking water (drinking mineral water) quality.
Wherein, the method for removing ferrimanganic in drinking water of the present utility model, it is possible to use remove drinking water as above
The device 3 of middle ferrimanganic is carrying out.
It is above-described, by the better embodiment of this utility model one provide remove drinking water in ferrimanganic method and
Device, which provide complete set drinks water producing method device, directly the whole series can use.But what needs were particularly pointed out
It is, this utility model ozone oxidation module (step) to be not limited to just to be used with reference in said method, it is also possible to combine
Of the prior art drink in water producing method and device in others so as to more excellent go removing of iron and manganese effect with extra.
Based on this, this utility model also provides a kind of device of ferrimanganic in removal drinking water, is arranged at one and drinks aquatic product
On line, the device of ferrimanganic includes in the removal drinking water:
One ozone oxidation module;
Wherein, the ozone oxidation module is the ozone oxidation module of an ozone concentration 0.5-0.6ppm.
The ozone oxidation module is when using, it is ensured that the oxidization time of 60 ± 15min, can reach preferably effect.Jing
After crossing the ozone oxidation module, the manganese content in water outlet is down to≤0.01ppm, and iron content is down to≤0.01ppm.
The drinking water production line can include filtering module, ultraviolet-sterilization module, ultrafiltration module and ozone sterilization module etc..
Those skilled in the art can (i.e. this be smelly according to the device of ferrimanganic in practical situation setting removal drinking water of the present utility model
Oxygen oxidation module) particular location.For example, can be arranged on after ultraviolet-sterilization module with before ultrafiltration module, but not as
Limit (ozone being put out if ultrafiltration being connect after ozone oxidation and need in advance carry out UV, to protect ultrafiltration module).Preferably, defeated in raw water
Before entering the ozone oxidation module, preliminary filtration and ultraviolet-sterilization are preferably had been carried out, filtered more than 100 μm of impurity
And make total plate count≤100CFU/mL, mycete/yeast≤10CFU/100mL, it is to avoid water outlet is micro- before into ozone module
Biological growth.
Based on this, the method that this utility model also provides ferrimanganic in a kind of removal drinking water drinks aquatic producing line for one
On, the method for ferrimanganic includes in the removal drinking water:
One ozone oxidation step;
Wherein, the ozone concentration in the ozone oxidation step is 0.5-0.6ppm, and oxidization time is 60 ± 15min.
After the ozone oxidation step, the manganese content in water outlet is down to≤0.01ppm, and iron content is down to≤0.01ppm.
Production stage in the drinking water production line, can include filtration step, ultraviolet-sterilization step, ultrafiltration step and ozone sterilization step
It is rapid etc..The method that those skilled in the art can arrange ferrimanganic in the removal drinking water of the present utility model according to practical situation
The specifically used position of (i.e. the ozone oxidation step), is arranged between two steps of certain above-mentioned.For example, purple can be arranged on
After outer sterilisation step with ultrafiltration step before, but not as limit (put out if ultrafiltration being connect after ozone oxidation and need in advance carry out UV
Ozone, to protect ultrafiltration module).Preferably, before raw water carries out the ozone oxidation step, preferably having been carried out preliminary
Filtration and ultraviolet-sterilization, filtered more than 100 μm of impurity and made total plate count≤100CFU/mL, mycete/yeast≤
10CFU/100mL, it is to avoid water outlet microbial growth before into ozone module.
Wherein, the method for removing ferrimanganic in drinking water of the present utility model, it is possible to use remove drinking water as above
The device of middle ferrimanganic is carrying out.
Compared with prior art, this utility model is simple to operate, cannot be only used for removing the higher raw water of iron manganese content, also
It is applicable to remove and there is certain iron manganese content but be not very high water quality.To iron-holder≤500ppb, manganese content≤50ppb
Raw water after filtering, contain can the iron content≤10ppb in final products, manganese content≤7ppb, Jing comparisons, ferrimanganic
Amount (ferrum 10ppb, manganese 7ppb) is the critical point for preventing product from yellow flocculation occur.Final products drinking water of the present utility model
(mineral water) can reach following quality:Colourity≤10 degree, are not presented other heterochromatic;Turbidity≤1NTU, can without twenty-twenty vision
See alien material, and carried out after sucking filtration, without pore on diaphragm using 0.45 μm of filter membrane;PH between 6.5-7.5, electrical conductivity
100-200 μ s/cm, TDS < 200mg/L, are 0mg/L after ozone remnants 24h;Ferrum < 0.01mg/L, manganese < 0.007mg/L, bromine
Hydrochlorate < 0.01mg/L, total plate count is 0CFU/100mL, and mycete and yeast are 0CFU/100mL, and coliform is 0CFU/
100mL, Pseudomonas aeruginosa is 0CFU/250mL.
Certainly, this utility model can also have other various embodiments, spiritual and its essence without departing substantially from this utility model
In the case of, those of ordinary skill in the art can make various corresponding changes and deformation, but these phases according to this utility model
The change and deformation answered should all belong to this utility model scope of the claims.
Claims (9)
1. a kind of device for removing ferrimanganic in drinking water, for the raw water in a storage tank to be gone into removing of iron and manganese and is filtered into
It is input into after drinking water to a filling machine, it is characterised in that the device of ferrimanganic includes in the removal drinking water:
A coarse filtration module, one first filtering module, the one first ultraviolet-sterilization mould sequentially configured from the storage tank to the filling machine
Block, an ozone oxidation module, a ultrafiltration protection module and a ultrafiltration module;
Wherein, the ozone oxidation module is the ozone oxidation module of an ozone concentration 0.5-0.6ppm.
2. it is according to claim 1 remove drinking water in ferrimanganic device, it is characterised in that in the coarse filtration module house stone
Sand is used as filter medium.
3. it is according to claim 1 remove drinking water in ferrimanganic device, it is characterised in that first filtering module be one
Filtering module of the pore size filter less than or equal to 100 μm.
4. it is according to claim 1 remove drinking water in ferrimanganic device, it is characterised in that the first ultraviolet-sterilization module
For the ultraviolet-sterilization module of ultraviolet wavelength 200-280nm.
5. it is according to claim 1 remove drinking water in ferrimanganic device, it is characterised in that the ultrafiltration module for retention point
Ultrafiltration module of the son amount more than or equal to 10000 dalton.
6. it is according to claim 5 remove drinking water in ferrimanganic device, it is characterised in that the ultrafiltration module for retention point
The ultrafiltration module of son amount 50000-80000 dalton.
7. it is according to claim 1 remove drinking water in ferrimanganic device, it is characterised in that the ultrafiltration protection module includes
One second ultraviolet-sterilization module being linked in sequence and one second filtering module;The second ultraviolet-sterilization module is ultraviolet wavelength
The ultraviolet-sterilization module of 280-315nm, second filtering module is filtering module of the pore size filter less than or equal to 100 μm.
8. it is according to claim 1 remove drinking water in ferrimanganic device, it is characterised in that in the ultrafiltration module and the filling
Between installation, also including the ozone sterilization module and an end-filtration module being linked in sequence;The ozone sterilization module is ozone
The ozone sterilization module of 0.3 ± 0.1ppm of concentration;The end-filtration module is filtering module of the pore size filter less than or equal to 1 μm.
9. a kind of device for removing ferrimanganic in drinking water, is arranged at one and drinks in aquatic producing line, it is characterised in that the removal is drunk
The device of ferrimanganic includes in water:
One ozone oxidation module;
Wherein, the ozone oxidation module is the ozone oxidation module of an ozone concentration 0.5-0.6ppm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621039481.8U CN206173142U (en) | 2016-09-05 | 2016-09-05 | Get rid of device of ferro -manganese in drinking water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621039481.8U CN206173142U (en) | 2016-09-05 | 2016-09-05 | Get rid of device of ferro -manganese in drinking water |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206173142U true CN206173142U (en) | 2017-05-17 |
Family
ID=58675677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621039481.8U Active CN206173142U (en) | 2016-09-05 | 2016-09-05 | Get rid of device of ferro -manganese in drinking water |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206173142U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107792975A (en) * | 2016-09-05 | 2018-03-13 | 康师傅饮品控股有限公司 | Remove the method and device of ferrimanganic in drinking water |
CN110372131A (en) * | 2019-08-23 | 2019-10-25 | 紫金矿业集团股份有限公司 | The pit underground original position of water burst containing manganese deep treatment method and device |
-
2016
- 2016-09-05 CN CN201621039481.8U patent/CN206173142U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107792975A (en) * | 2016-09-05 | 2018-03-13 | 康师傅饮品控股有限公司 | Remove the method and device of ferrimanganic in drinking water |
CN110372131A (en) * | 2019-08-23 | 2019-10-25 | 紫金矿业集团股份有限公司 | The pit underground original position of water burst containing manganese deep treatment method and device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11111165B2 (en) | Process and apparatus for treating water | |
CN105502795A (en) | Water purification method and direct drinking station equipment | |
CN206173142U (en) | Get rid of device of ferro -manganese in drinking water | |
CN205501006U (en) | Filter core and have water purification unit of its filter core | |
CN205917107U (en) | Water treatment facilities is drunk to packing | |
CN203999247U (en) | Water purifier | |
CN206173143U (en) | Get rid of device of ferro -manganese in drinking water | |
CN107792974A (en) | Remove the method and device of ferrimanganic in drinking water | |
CN107792975A (en) | Remove the method and device of ferrimanganic in drinking water | |
CN102092899B (en) | System and method for removing natural organic substances and odor-induced substances in micro polluted water | |
CN206279025U (en) | A kind of integrated domestic water purifies integrated processing equipment | |
CN209128238U (en) | Subacidity hypochloric acid water production equipment | |
CN107555681A (en) | Pack drinking water treatment method and device | |
CN205442920U (en) | Water purification apparatus | |
CN101857333B (en) | Six-conversion health active water | |
CN201415957Y (en) | Household purifier | |
CN104556509A (en) | Tap water sterilization system based on membrane technology | |
CN209554948U (en) | High rigidity brackish water desalination processing system | |
CN204508987U (en) | Two matter water purifier | |
CN206828275U (en) | A kind of disinfection of tap water processing unit | |
CN104591450A (en) | Low-temperature intelligent running water degerming pipeline system | |
CN208517177U (en) | A kind of wastewater treatment equipment and waste water treatment system | |
CN201519059U (en) | Public drinking fountain adopting wood machine frame | |
CN206735977U (en) | Water purifier | |
US11952290B2 (en) | System and method for producing alkaline water having pH stability and increased mineral content |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |