CN110075615A - A kind of composite water-purification filter element and preparation method thereof - Google Patents
A kind of composite water-purification filter element and preparation method thereof Download PDFInfo
- Publication number
- CN110075615A CN110075615A CN201910310054.0A CN201910310054A CN110075615A CN 110075615 A CN110075615 A CN 110075615A CN 201910310054 A CN201910310054 A CN 201910310054A CN 110075615 A CN110075615 A CN 110075615A
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- Prior art keywords
- filter element
- purification filter
- composite water
- element according
- antibacterial agent
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2055—Carbonaceous material
- B01D39/2058—Carbonaceous material the material being particulate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
Abstract
The present invention relates to a kind of composite water-purification filter element and preparation method thereof, the filter core includes each component of following mass content: mouthfeel improvement factor 5%-20%, active carbon 68%-90%, antibacterial agent 3%-5%, binder 2%-15%.The present invention is by adding antibacterial agent in filter core produces, and while retaining original minerals, can effectively remove germ contamination problem, improve drinking water mouthfeel, improve filter core service life.
Description
Technical field
The present invention relates to filter core technical fields, specifically, being related to a kind of composite water-purification filter element and preparation method thereof.
Background technique
In the way of reverse osmosis membrane after water purification, water almost becomes " pure water ", and water as long-term drinking, body can lack gradually
Weary K, Na, Ca, Mg, Cu, Mo etc. " nutrition ", therefore often increase the substances such as medical stone, kaolin, coconut husk charcoal and prepare postposition water purification filtration
Core increases mineral concentration, keeps drinking water taste sweet.But this kind of postposition filter core itself easily breeds bacterium, then generates dirty
Dye and peculiar smell.
In existing patent, a kind of composite activated carbon ultra-filtration element and preparation method thereof is disclosed in CN103768869 A,
The composition of filter core and quality are active carbon 50~65 than content, diatomite 5~10, kaolin 29.8~35, antibacterial agent 0.1~
0.5, metal ion additive 0~3, graphene microchip 0.1~1.5.It is water-soluble that graphene microchip is put into N-Methyl pyrrolidone
The graphene microchip dispersion liquid of 2~25g/L is separated into liquid；Diatomite, kaolin, active carbon, antibacterial agent, metal ion are added
After adding agent and graphene microchip dispersion liquid ball milling, slurry is taken out, the slurry of injection forming is obtained after curing, pours into plaster mold
In type chamber, after staying in the idiosome of plaster mold inner wall absorption with a thickness of 8~15mm, pours out unadsorbed flowing slurry, obtain hollow
Filter core idiosome after degassing process, is deviate from filter core idiosome out of plaster mold, and filter core green compact are obtained, and drying and sintering reduction is cooling,
Up to composite activated carbon ultra-filtration element.But the sintering temperature of this method need 850-920 DEG C, sintering time it is longer.
Summary of the invention
In view of the drawbacks of the prior art, the object of the present invention is to provide a kind of composite water-purification filter elements and preparation method thereof.
The purpose of the present invention is what is be achieved through the following technical solutions:
The present invention provides a kind of composite water-purification filter element, each component including following mass content:
Mouthfeel improvement factor 5%-20%, active carbon 68%-90%, antibacterial agent 3%-5%, binder 2%-15%.
Preferably, the mouthfeel improvement factor is selected from diatomite, medical stone, kaolin, bentonite and natural far infrared mine
One or more of fossil.
Preferably, the particle mesh number of the mouthfeel improvement factor is 80-200 mesh.
Preferably, the active carbon is one or more of cocoanut active charcoal, wood activated charcoal or coaly activated carbon.
Preferably, the particle mesh number of the active carbon is 40-200 mesh.
Preferably, the binder is the one or more of PE resin, PE powder, EVA powder.
Preferably, the antibacterial agent is graphene complex antimicrobials, the graphene and 80- for being 5-20% including mass fraction
95% complexing agent, the complexing agent are selected from one or more of mono-methyl list sodium, sodium benzoate, fumaric acid, quinolones.
The present invention also provides a kind of preparation methods of composite water-purification filter element, comprising the following steps:
A, it after mouthfeel improvement factor and active carbon being ground into particle, mixes, stirs evenly with antibacterial agent, bonding agent；
B, the mixture that step A is obtained uniformly is put into molding die, then carries out heating sintering；
C, step B treated molding die is subjected to gradient cooling to get the graphene composite water-purification filter element.
Preferably, in step A, the mixing speed is 50-500rmp, mixing time 20-40min；
In step B, it is described heating sintering actual conditions are as follows: mold starts to be sintered at 200-350 DEG C, and with 1 DEG C/
The heating rate of min-10 DEG C/min carries out heating sintering 30-70min.
Preferably, in step C, the specific steps of the gradient cooling are as follows: mold is with the cooling of 5 DEG C/min-10 DEG C/min
Speed carries out cooling 5-20min, keeps temperature 10-60min later；Then again with the cooling speed of 10 DEG C/min-20 DEG C/min
Degree is down to room temperature.
Compared with prior art, the present invention have it is following the utility model has the advantages that
The present invention is by adding antibacterial agent in filter core produces, and while retaining original minerals, can effectively remove thin
Bacterium pollution problem improves drinking water mouthfeel.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
Embodiment 1
Present embodiments provide a kind of preparation method of composite filter element, the specific steps are as follows:
1, diatomite is ground into the graininess that mesh number is 80 mesh, while it is 200 mesh that cocoanut active charcoal, which is ground into mesh number,
Graininess, later by table 1 mass percentage proportion addition antibacterial agent (by graphene 5%, mono-methyl list sodium 95% match
Into) and binder (PE resin), it is mixed, stirs 40min under the mixing speed of 50rmp, be uniformly mixed material.
2, mixed material is put into molding die, and mixed material filler in a mold is made by the method for mechanical shock
Uniformly, each section in mold is made to be filled with mixed material.
3, mold is put into sintering furnace again, mold is made to start to be sintered at 200 DEG C, and with 10 DEG C/min heating rate to mould
Tool carries out heating sintering 70min, and the binder in the mixed material in mold is made to volatilize completely.
4, by mold after being taken out in sintering furnace, and gradient cooling is carried out to mold and (is carried out with the cooling rate of 5 DEG C/min
Cool down 20min, keeps temperature 10min later；Room temperature is down to the cooling rate of 20 DEG C/min later), cool down to mold cold
But after, open mold, both the graphene composite water-purification filter element.
Embodiment 2
Present embodiments provide a kind of preparation method of graphene scale inhibition filter core, the specific steps are as follows:
1, medical stone is ground into the graininess that mesh number is 100 mesh, while it is 40 mesh that wood activated charcoal, which is ground into mesh number,
Graininess, added later by the quality proportioning of table 1 antibacterial agent (being matched by graphene 10%, sodium benzoate 90%) and viscous
It ties agent (PE powder), is mixed, stir 30min under the mixing speed of 200rmp, be uniformly mixed material.
2, mixed material is put into molding die, and mixed material filler in a mold is made by the method for mechanical shock
Uniformly, each section in mold is made to be filled with mixed material.
3, mold is put into sintering furnace again, mold is made to start to be sintered at 280 DEG C, and with 5 DEG C/min heating rate to mould
Tool carries out heating sintering 50min, and the binder in the mixed material in mold is made to volatilize completely.
4, by mold from sintering furnace take out after, and to mold carry out gradient cooling (with the cooling rate of 10 DEG C/min into
Row cooling 5min, keeps temperature 60min later；Room temperature is down to the cooling rate of 10 DEG C/min later), cool down to mold cold
But after, mold is opened, both obtains told graphene composite water-purification filter element.
Embodiment 3
Present embodiments provide a kind of preparation method of graphene scale inhibition filter core, the specific steps are as follows:
1, kaolin is ground into the graininess that mesh number is 200 mesh, while it is 100 mesh that coaly activated carbon, which is ground into mesh number,
Graininess, later by table 1 quality proportioning add antibacterial agent (being matched by graphene 20%, fumaric acid 80%) and bond
Agent (EVA powder), is mixed, stirs 20min under the mixing speed of 500rpm, and material is uniformly mixed.
2, mixed material is put into molding die, and mixed material filler in a mold is made by the method for mechanical shock
Uniformly, each section in mold is made to be filled with mixed material.
3, mold is put into sintering furnace again, mold is made to start to be sintered at 350 DEG C, and with 1 DEG C/min heating rate to mould
Tool carries out heating sintering 30min, and the binder in the mixed material in mold is made to volatilize completely.
4, by mold after being taken out in sintering furnace, and gradient cooling is carried out to mold and (is carried out with the cooling rate of 8 DEG C/min
Cool down 10min, keeps temperature 30min later；Room temperature is down to the cooling rate of 15 DEG C/min later), cool down to mold cold
But after, mold is opened, both obtains told graphene composite water-purification filter element.
Embodiment 4
Present embodiments provide a kind of preparation method of graphene scale inhibition filter core, the specific steps are as follows:
1, bentonite is ground into the graininess that mesh number is 80 mesh, while it is 100 mesh that cocoanut active charcoal, which is ground into mesh number,
Graininess, added later by the quality proportioning of table 1 antibacterial agent (being matched by graphene 15%, quinolones 85%) and viscous
It ties agent (PE resin), is mixed, stir 20min under the mixing speed of 200rpm, be uniformly mixed material.
Step 2-4 is same as Example 1.
Embodiment 5
The present embodiment is substantially the same manner as Example 1, the difference is that only: the antibacterial agent of the present embodiment is by graphene
15%, mono-methyl list sodium 85% matches.
Embodiment 6
The present embodiment is substantially the same manner as Example 1, the difference is that only: the antibacterial agent of this comparative example by graphene 5%,
Sodium benzoate 95% matches.
Embodiment 7
The present embodiment is substantially the same manner as Example 1, the difference is that only: the antibacterial agent of this comparative example by graphene 2%,
Mono-methyl list sodium 98% matches.
Embodiment 8
The present embodiment is substantially the same manner as Example 1, the difference is that only: the antibacterial agent of this comparative example is by graphene
25%, mono-methyl list sodium 75% matches.
Table 1
Comparative example 1
The method of this comparative example and embodiment 1 is essentially identical, the difference is that only: in step 1, what this comparative example used
Diatomite is ground into the graininess that mesh number is 60 mesh.
Comparative example 2
The method of this comparative example and embodiment 2 is essentially identical, the difference is that only: in step 1, what this comparative example used
Wood activated charcoal is ground into the graininess that mesh number is 20 mesh.
Comparative example 3
The method of this comparative example and embodiment 1 is essentially identical, the difference is that only: in step 3, this comparative example is used
Isothermal sinter at 250 DEG C.
Comparative example 4
The method of this comparative example and embodiment 3 is essentially identical, the difference is that only: in step 3, the sintering of this comparative example is opened
Beginning temperature is 400 DEG C.
Comparative example 5
The method of this comparative example and embodiment 3 is essentially identical, the difference is that only: in step 4, this comparative example use with
Cooling rate continued down to the room temperature of 8 DEG C/min is cooled down.
Comparative example 6-8
This comparative example 6-8 and the method for embodiment 1 are essentially identical, the difference is that only: in the step 1 of comparative example 6-8,
The mass percentage proportion of each component is as shown in table 1.
Performance test
Composite water-purification filter element prepared by each embodiment and comparative example is tested for the property, test method is as follows:
Content of mineral substances test method: TCCAO17 Inductively coupled plasma optical emission spectrometer is utilized, according to GB/
T5750.6-2006 detects the levels of municipal water potassium ion, sodium ion and calcium ion after graphene composite filter element；
Antibiotic rate: the graphene composite filter element is tested according to ASTM-E2149-13a for 24 hours afterwards to staphylococcus aureus
Antibiotic rate；
Drinking water mouthfeel: test man directly drinks filtered water, is as a result divided into taste sweetness, and taste is general, and taste is dry
Puckery three kinds.
The results are shown in Table 1.
Table 2
There are many concrete application approach of the present invention, the above is only a preferred embodiment of the present invention.More than it should be pointed out that
Embodiment is merely to illustrate the present invention, and the protection scope being not intended to restrict the invention.For the common skill of the art
For art personnel, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as this hair
Bright protection scope.
Claims (10)
1. a kind of composite water-purification filter element, which is characterized in that each component including following mass content:
Mouthfeel improvement factor 5%-20%, active carbon 68%-90%, antibacterial agent 3%-5%, binder 2%-15%.
2. composite water-purification filter element according to claim 1, which is characterized in that the mouthfeel improvement factor be selected from diatomite,
One or more of medical stone, kaolin, bentonite and natural far infrared mineralizing stone.
3. composite water-purification filter element according to claim 1 or 2, which is characterized in that the particle mesh of the mouthfeel improvement factor
Number is 80-200 mesh.
4. composite water-purification filter element according to claim 1, which is characterized in that the active carbon is cocoanut active charcoal, wooden
One or more of active carbon or coaly activated carbon.
5. composite water-purification filter element according to claim 1 or 4, which is characterized in that the particle mesh number of the active carbon is 40-
200 mesh.
6. composite water-purification filter element according to claim 1, which is characterized in that the binder is PE resin, PE powder, EVA
The one or more of powder.
7. composite water-purification filter element according to claim 1, which is characterized in that the antibacterial agent is graphene composite antibacterial
Agent, the complexing agent including graphene and 80-95% that mass fraction is 5-20%, the complexing agent are selected from mono-methyl list sodium, benzene
One or more of sodium formate, fumaric acid, quinolones.
8. a kind of preparation method of composite water-purification filter element according to claim 1, which comprises the following steps:
A, it after mouthfeel improvement factor and active carbon being ground into particle, mixes, stirs evenly with antibacterial agent, bonding agent；
B, the mixture that step A is obtained uniformly is put into molding die, then carries out heating sintering；
C, step B treated molding die is subjected to gradient cooling to get the graphene composite water-purification filter element.
9. the preparation method of composite water-purification filter element according to claim 8, which is characterized in that in step A, the stirring speed
Degree is 50-500rmp, mixing time 20-40min；
In step B, the actual conditions of the heating sintering are as follows: mold starts to be sintered at 200-350 DEG C, and with 1 DEG C/min-10
DEG C/heating rate of min carries out heating sintering 30-70min.
10. the preparation method of composite water-purification filter element according to claim 8, which is characterized in that in step C, the gradient
The specific steps of cooling are as follows:
Mold carries out cooling 5-20min with the cooling rate of 5 DEG C/min-10 DEG C/min, keeps temperature 10-60min later；So
Room temperature is down to the cooling rate of 10 DEG C/min-20 DEG C/min again afterwards.
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| CN201910310054.0A CN110075615A (en) | 2019-04-17 | 2019-04-17 | A kind of composite water-purification filter element and preparation method thereof |
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| CN201910310054.0A CN110075615A (en) | 2019-04-17 | 2019-04-17 | A kind of composite water-purification filter element and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110075616A (en) * | 2019-05-14 | 2019-08-02 | 南通强生石墨烯科技有限公司 | A kind of graphene-active carbon composite filter core and its preparation method and application |
| CN114349138A (en) * | 2022-01-11 | 2022-04-15 | 佛山市芯耀环保科技有限公司 | Scale-inhibiting antibacterial material and preparation method thereof |
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Cited By (3)
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| CN110075616A (en) * | 2019-05-14 | 2019-08-02 | 南通强生石墨烯科技有限公司 | A kind of graphene-active carbon composite filter core and its preparation method and application |
| CN114349138A (en) * | 2022-01-11 | 2022-04-15 | 佛山市芯耀环保科技有限公司 | Scale-inhibiting antibacterial material and preparation method thereof |
| CN114349138B (en) * | 2022-01-11 | 2023-09-08 | 佛山市芯耀环保科技有限公司 | Scale inhibition antibacterial material and preparation method thereof |
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