CN103228343A - Filtration filter and filtration filter production method - Google Patents
Filtration filter and filtration filter production method Download PDFInfo
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- CN103228343A CN103228343A CN2012800037861A CN201280003786A CN103228343A CN 103228343 A CN103228343 A CN 103228343A CN 2012800037861 A CN2012800037861 A CN 2012800037861A CN 201280003786 A CN201280003786 A CN 201280003786A CN 103228343 A CN103228343 A CN 103228343A
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- 238000001914 filtration Methods 0.000 title claims abstract description 122
- 238000004519 manufacturing process Methods 0.000 title claims description 35
- 239000000919 ceramic Substances 0.000 claims abstract description 196
- 239000002105 nanoparticle Substances 0.000 claims abstract description 174
- 239000002245 particle Substances 0.000 claims abstract description 73
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 238000005245 sintering Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 48
- 239000002243 precursor Substances 0.000 claims description 21
- 238000009826 distribution Methods 0.000 claims description 17
- 229910044991 metal oxide Inorganic materials 0.000 claims description 9
- 150000004706 metal oxides Chemical class 0.000 claims description 9
- 239000013505 freshwater Substances 0.000 abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 11
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
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- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
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Abstract
Provided is a filter for filtration that is capable of ensuring rigidity while obtaining tap water and fresh water easily. The filtration filter 21 is provided with a first ceramic layer 12, a second ceramic layer 15 and a nanoparticle layer 14. Said nanoparticle layer 14 is interposed between the first ceramic layer 12 and the second ceramic layer 15. The first ceramic layer 12 and the second ceramic layer 15 are formed by sintering multiple ceramic particles 11 that have silica as the main component and the gaps between the respective ceramic particles 11 are adjusted to be 50 nm - 500 nm. The nanoparticle layer 14 is formed by melting and binding a large number of nanoparticles 13 of 3 nm - 5 nm particle diameter to each other by heat treatment.
Description
Technical field
The present invention relates to the manufacture method of filter for filtration and filter for filtration, particularly the sintered body with pottery is the manufacture method of the filter for filtration and the filter for filtration of matrix.
Background technology
From draining (following water), remove polluter and impurity is made with extra care running water or remove freshen from seawater when waiting to make with extra care fresh water, use filter for filtration mostly from factory or family.As filter for filtration, known have a filter for filtration that is formed by macromolecular material, for example uses the reverse osmosis membrane of methyl acetate polymeric membrane.Reverse osmosis membrane has the countless through holes of diameter for number nm, downwards water or seawater are exerted pressure and when making it by reverse osmosis membrane, though diameter is about the hydrone of 0.38nm by through hole, size is for the molecule of the polluter of tens of nm, make hydrone coordination sodium ion around not pass through through hole by hydration.Thus, reverse osmosis membrane separates hydrone and makes with extra care running water, fresh water by following water, seawater with polluter, salinity.
Yet, in the disaster site of developing country or natural calamity, when utilizing reverse osmosis membrane to come, because the bacterial corrosion polymeric membrane in the sewage, so there is the life-span of reverse osmosis membrane extremely short this problem that becomes from the refining running water of sewage.
In addition, windmill-shaped wind-driven generator for coastwise configuration, owing in lubricating oil, be easy to mix salinity, small sand grains, therefore strong request removes freshen, small sand grains from lubricating oil, but when in the removing of salinity, small sand grains, having used reverse osmosis membrane, the composition of lubricating oil makes polymeric membrane dissolving, therefore still has life-span of reverse osmosis membrane extremely short this problem that becomes.
In addition, reverse osmosis membrane is owing to being the main composition key element with the polymeric membrane, and therefore there are the following problems, that is, intensity is low, loads if make the outer pressure (primary side pressure) that is added on down water or seawater rise and increase in order to improve purification efficiency, then causes destroyed.
Therefore, the filter for filtration (for example, with reference to patent documentation 1) of in recent years, developing, in lubricating oil, also not dissolving and constitute by the high porous ceramic bodies of rigidity not by bacterial corrosion.
Patent documentation 1: Japanese Unexamined Patent Application Publication 2007-526819 communique
Summary of the invention
Yet, because the filter for filtration that is made of porous ceramic bodies compresses and at high temperature mutual bonding the manufacturing by a plurality of particles that make larger-diameter metal oxide, therefore can't directly control the size in interparticle gap, sometimes the accidental diameter through hole bigger than required diameter that form still has hidden danger to removing of polluter, salinity.
In addition, having size in following water is the virus of tens of nm, for example picornavirus of the influenza virus of about 50nm, about 20nm, parvovirus, and these viruses might be the through hole of tens of nm by diameter.
And then, in the time of will being used for distinguishing the contained multiple medical components that varies in size of liquid by the filter for filtration that porous ceramic bodies constitutes, exist and the medical components of non-required size might can't be distinguished the problem of medical components by through hole.
Its result need be in running water or fresh water refining and with the way of distillation etc., and need be in the differentiation of medical components and with centrifugal separation etc.That is, existence can't obtain the problem of running water, fresh water easily.
Problem of the present invention is to provide the manufacture method that can obtain the filter for filtration and the filter for filtration of running water and fresh water when guaranteeing rigidity easily.
In order to solve above-mentioned problem, according to the 1st mode of the present invention, a kind of filter for filtration is provided, it is characterized in that, possess nanoparticle layers and at least 2 ceramic layers, it is that a plurality of ceramic particle sintering of principal component generate that described ceramic layer makes with the metal oxide, gap between each above-mentioned ceramic particle is adjusted to 50nm～500nm, described nanoparticle layers is that to make particle diameter be that a plurality of nano particles of 3nm～5nm carry out mutual molten adhere by heat treatment and generate, and by 2 above-mentioned ceramic layer clampings of adjacency.
In the 1st mode of the present invention, the part of preferred above-mentioned nanoparticle layers infiltrates into above-mentioned ceramic layer partly.
In the 1st mode of the present invention, preferably the major diameter of each above-mentioned nano particle is that the following and minor axis of 5nm is more than the 3nm.
In the 1st mode of the present invention, preferably possesses the above-mentioned ceramic layer more than 3, between 2 above-mentioned ceramic layers of above-mentioned nanoparticle layers adjacency in above-mentioned ceramic layer more than 3.
In order to solve above-mentioned problem, according to the 2nd mode of the present invention, a kind of manufacture method of filter for filtration is provided, it is characterized in that, have following steps: the 1st ceramic layer generates step, making with the metal oxide is that a plurality of ceramic particles of principal component are bonded with each other, and the gap between each above-mentioned ceramic particle is adjusted to 50nm～500nm and generates the 1st ceramic layer; The nano particle distribution step, making particle diameter is that a plurality of nano particles of 3nm～5nm distribute in the mode on the surface of the 1st ceramic layer that covers above-mentioned generation; Nanoparticle layers generates step, makes a plurality of nano particles of above-mentioned distribution carry out mutual molten adhere by heat treatment and generates nanoparticle layers; And the 2nd ceramic layer generate step, a plurality of above-mentioned ceramic particles are distributed in the mode on the surface of the nanoparticle layers that covers above-mentioned generation, a plurality of ceramic particles of this distribution are bonded with each other and the gap between each above-mentioned ceramic particle is adjusted to 50nm～500nm and generates the 2nd ceramic layer.
In the 2nd mode of the present invention, in above-mentioned nano particle distribution step, preferably making particle diameter is that a plurality of nano particles of 3nm～5nm distribute in the mode on the surface of the 2nd ceramic layer that covers above-mentioned generation, after above-mentioned the 1st ceramic layer generates step, above-mentioned nano particle distribution step, above-mentioned nanoparticle layers generation step and the 2nd ceramic layer are generated step carry out stipulated number by this reiteration.
In order to solve above-mentioned problem, according to the 3rd mode of the present invention, a kind of manufacture method of filter for filtration is provided, it is characterized in that, have following steps: ceramic layer generates step, and making with the metal oxide is that a plurality of ceramic particles of principal component are bonded with each other and the gap between each above-mentioned ceramic particle is adjusted to 50nm～500nm and generate ceramic layer; The filter precursor forms step, and making particle diameter is that a plurality of nano particles of 3nm～5nm distribute in the mode on the surface of the ceramic layer that covers above-mentioned generation and form the filter precursor; And nanoparticle layers generates step, make to form the mode that face that 2 above-mentioned filter precursors forming in the step distribute with above-mentioned a plurality of nano particles contacts with each other at above-mentioned filter precursor and fit, make a plurality of nano particles of above-mentioned distribution carry out mutual molten adhere and generate 1 nanoparticle layers by heat treatment.
According to the present invention, nanoparticle layers is by 2 ceramic layer clampings that make the ceramic particle sintering and generate, so can guarantee the rigidity of filter for filtration, and then, making particle diameter is that a plurality of nano particles of 3nm～5nm carry out mutual molten adhere by heat treatment and generate nanoparticle layers, the size in the gap between each nano particle can be set for below several nm thus, thus, can be generated the through hole of diameter for number nm.Its result can need not in running water, fresh water refining and with the way of distillation etc., and can obtain running water, fresh water easily.
In addition, according to the present invention, make with the metal oxide is that a plurality of ceramic particles of principal component are bonded with each other and generate the 1st ceramic layer, a plurality of nano particles are distributed in the mode on the surface of the 1st ceramic layer that covers this generation, make a plurality of nano particles of this distribution carry out mutual molten adhere and generate nanoparticle layers by heat treatment, and then, a plurality of ceramic particles are distributed in the mode on the surface of the nanoparticle layers that cover to generate and be bonded with each other and generate the 2nd ceramic layer, so can obtain to possess the filter for filtration of diameter easily for the through hole of number nm.
Description of drawings
Fig. 1 is the local amplification sectional view of formation of schematically representing the filter for filtration of the 1st embodiment of the present invention.
Fig. 2 be used for to Fig. 1 can be by the gap in the nanoparticle layers the partial enlarged drawing that describes of the size of particle.
Fig. 3 is the local amplification sectional view of formation of schematically representing the filter for filtration of the 2nd embodiment of the present invention.
Fig. 4 A is the process chart (filter for filtration precursor form step) of manufacture method of the filter for filtration of expression present embodiment.
Fig. 4 B is the process chart of manufacture method of the filter for filtration of expression present embodiment.
Fig. 4 C is the process chart of manufacture method of the filter for filtration of expression present embodiment.
Fig. 5 is the local amplification sectional view of formation of schematically representing the filter for filtration of the 3rd embodiment of the present invention.
Fig. 6 A is the process chart (the 1st ceramic layer generate step) of manufacture method of the filter for filtration of expression present embodiment.
Fig. 6 B is the process chart (nanoparticle layers generation step) of manufacture method of the filter for filtration of expression present embodiment.
Fig. 6 C is the process chart of manufacture method of the filter for filtration of expression present embodiment.
Fig. 7 is the local amplification sectional view of formation of schematically representing the filter for filtration of the 4th embodiment of the present invention.
Fig. 8 A is the process chart (the 1st ceramic layer generate step) of manufacture method of the filter for filtration of expression present embodiment.
Fig. 8 B is the process chart (nanoparticle layers generation step) of manufacture method of the filter for filtration of expression present embodiment.
Fig. 8 C is the process chart (the 2nd ceramic layer generate step) of manufacture method of the filter for filtration of expression present embodiment.
Fig. 8 D is the process chart (nanoparticle layers generation step) of manufacture method of the filter for filtration of expression present embodiment.
Fig. 8 E is the process chart (the 2nd ceramic layer generate step) of manufacture method of the filter for filtration of expression present embodiment.
The specific embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are elaborated.
At first, the filter for filtration to the 1st embodiment of the present invention describes.
Fig. 1 is the local amplification sectional view of formation of schematically representing the filter for filtration of present embodiment.
Among Fig. 1, the nanoparticle layers 14 that filter for filtration 10 possesses the 1st ceramic layer 12 that is made of a plurality of ceramic particles 11 and is made of a plurality of nano particles 13 on the surface that is formed on the 1st ceramic layer 12, described ceramic particle 11 is by metal oxide, for example silica (SiO
2) constitute.
The 1st ceramic layer 12 is that particle diameter is generated for a plurality of ceramic particles 11 sintering more than the number 100nm.If the pressure of during with sintering a plurality of ceramic particles 11 being given is set at bigger, then a part of fragmentation of each ceramic particle 11 etc., become big with the area of the contact portion of other ceramic particle 11 in each ceramic particle 11, this contact portion fusion and engaging with other ceramic particle 11.Therefore, in the present embodiment, increase the setting value of the pressure that a plurality of ceramic particles 11 are given.Thus, in the 1st ceramic layer 12, can increase the contact area between each ceramic particle 11, and improve the engaging force between each ceramic particle 11.Its result can make the rigidity of the 1st ceramic layer 12 improve, and mar proof is also improved.
In addition, as mentioned above, when increasing the setting value of the pressure of giving in order to improve rigidity, in the 1st ceramic layer 12, because the part of each ceramic particle 11 is broken, so the shape in the gap 16 of 11 of each ceramic particles becomes irregular, but by adjusting the pressure that each ceramic particle 11 is given, thereby can be with the representative length in the gap 16 of 11 of each ceramic particles, promptly the maximum of the distance between 16 opposed 2 ceramic particles 11 of gap is adjusted into 50nm～500nm.
For example, as shown in Figure 2, at diameter D is 3 of 5nm positive spherical nano particles 13 at grade mutually equably under the situations of contact, and the representative length in the gap 17 between each nano particle 13 is about 2nm, and the maximum diameter d of particle 18 that can be by this gap 17 is about 0.7nm.In the nanoparticle layers 14, the particle diameter of each nano particle 13 is set to below the 5nm, so the representative length in the gap 17 between each nano particle 13 becomes below the 2nm, and the maximum gauge of particle 18 that can be by this gap 17 is below the 0.7nm.
In addition, in the filter for filtration 10, the size of nano particle 13 is 3nm～5nm, so enter the gap 16 of the 1st ceramic layer 12, particularly is present in the gap 16 on surface.Its result, the part of nanoparticle layers 14 infiltrate into the 1st ceramic layer 12.
Next, the manufacture method to the filter for filtration of present embodiment describes.
At first, a plurality of ceramic particles 11 are enclosed in the mould of regulation, at high temperature, the pressure of load regulation, thus carry out sintering and obtain the 1st ceramic layer 12.Then, a plurality of nano particles 13 are sprayed in the mode on the surface that covers the 1st ceramic layer 12 and after it is seamlessly distributed, make each nano particle 13 carry out mutual fusion and engage and obtain nanoparticle layers 14 by heat treatment.
Then, from the duplexer that is laminated with the 1st ceramic layer 12 and nanoparticle layers 14, cut out the filter for filtration 10 of regulation shape and finish this processing.
Filter for filtration 10 according to present embodiment, when a plurality of ceramic particle 11 of sintering, a part of fragmentation of each ceramic particle 11 is waited the contact area that increases between each ceramic particle 11, so can improve the engaging force between each ceramic particle 11, and can improve the rigidity of the 1st ceramic layer 12.Its result can guarantee the rigidity of filter for filtration 10.
And then, making particle diameter is that a plurality of nano particles 13 of 3nm～5nm carry out mutual molten adhere by heat treatment and generate nanoparticle layers 14, so the representative length setting in the gap 17 of 13 of each nano particles can be become below the 2nm, thus, can be that the through hole of 2nm is created on filter for filtration 10 with diameter.Its result if use filter for filtration 10, then can need not in running water, fresh water refining and with the way of distillation etc., and can obtain running water, fresh water easily.
In addition, in filter for filtration 10, the part of nanoparticle layers 14 infiltrates into the 1st ceramic layer 12 partly, so can improve the adhesion of the 1st ceramic layer 12 and nanoparticle layers 14, and can prevent the generation of the splitting in the filter for filtration 10, can improve filter for filtration 10 whole rigidity simultaneously.
In the above-mentioned filter for filtration 10, each nano particle 13 with formation nanoparticle layers 14 is a prerequisite for positive sphere, its particle diameter is 3nm～5nm, but each nanoparticle layers 14 need not to be positive sphere, can be for being summarized in rectangular shape, for example major diameter is below the 5nm and minor axis is the above elliptical shape of 3nm.
In addition, manufacture method according to the filter for filtration of present embodiment, a plurality of ceramic particles 11 are bonded with each other and generate the 1st ceramic layer 12, mode with the surface of the 1st ceramic layer 12 that covers this generation distributes a plurality of nano particles 13, make a plurality of nano particles 13 of this distribution carry out mutual molten adhere and generate nanoparticle layers 14, so can obtain to possess the filter for filtration 10 that diameter is the through hole of 2nm easily by heat treatment.
Next, filter for filtration and the manufacture method thereof to the 2nd embodiment of the present invention describes.
Fig. 3 is the local amplification sectional view of formation of schematically representing the filter for filtration of present embodiment.The 2nd embodiment is to use 2 filter for filtration that are made of ceramic layer and a plurality of nano particles 13 that spray to this ceramic layer that obtain in the 1st embodiment as precursor, these 2 precursors are fitted in the mode that nano particle is in contact with one another, thereby formation filter for filtration, consider that from this point the 2nd embodiment is different with the 1st embodiment.Therefore,, omit its explanation, below different formations, effect are described formation, the effect that repeats.
Among Fig. 3, filter for filtration 20 possesses 2 the 1st overlapping ceramic layers 12, the nanoparticle layers 14 between these 2 the 1st ceramic layers 12.
Yet in the filter for filtration 10 of the 1st embodiment, owing to compare with the 1st ceramic layer 12, the nanoparticle layers 14 of mar proof difference exposes, and the nano particle 13 that therefore might constitute nanoparticle layers 14 flows out from nanoparticle layers 14.Yet according to the filter for filtration 20 of the 2nd embodiment, because with 2 the 1st ceramic layer 12 clamping nanoparticle layers 14, so nanoparticle layers 14 can not expose, and thus, needn't worry that nano particle 13 is from nanoparticle layers 14 outflows.
According to the filter for filtration 20 of present embodiment, nanoparticle layers 14 is made a plurality of ceramic particle 11 sintering and 2 the 1st ceramic layer 12 clampings generating, so can guarantee the rigidity of filter for filtration 20.
In addition, in the filter for filtration 20, the size of nano particle 13 is 3nm～5nm, so can enter the gap 16 of 2 the 1st ceramic layers 12, particularly is present in the gap 16 on surface.Its result, the part of nanoparticle layers 14 infiltrate into 2 the 1st ceramic layers 12 respectively.
Fig. 4 A～Fig. 4 C is the process chart of manufacture method of the filter for filtration of expression present embodiment.
At first, with the filter for filtration 10 of the 1st embodiment similarly, form the 1st ceramic layer 12(ceramic layer and generate step), and then, spray a plurality of nano particles 13 in the mode on the surface that covers the 1st ceramic layer 12, it is seamlessly distributed.In the manufacture method of the filter for filtration of present embodiment, to be coated with filter under the state of a plurality of nano particles 13 as filter precursor 19 at the 1st ceramic layer 12, prepare 2 this filter precursor 19(Fig. 4 A) (the filter precursor forms step).
Then, 2 filter precursor 19(Fig. 4 B so that the mode that a plurality of nano particles 13 that sprayed contact with each other is mutually fitted), thereafter, heat-treat under the high temperature of 400 ℃ and even 1000 ℃ by 2 filter precursors 19 will fitting, thereby a plurality of nano particles 13 fusions that are in contact with one another are engaged, obtain nanoparticle layers 14(nanoparticle layers and generate step).
Then, from the duplexer that is laminated with 2 the 1st ceramic layers 12 and nanoparticle layers 14, cut out the filter for filtration 20 of regulation shape, finish this processing.
Manufacture method according to the filter for filtration of present embodiment, a plurality of nano particles 13 are carried out mutual molten adhere by heat treatment generate nanoparticle layers 14, so with the 1st embodiment similarly, the size in the gap 17 between each nano particle 13 of control can obtain to possess the filter for filtration 20 that diameter is the through hole of 2nm easily easily.
Should illustrate, in the manufacture method of Fig. 4 A～Fig. 4 C, with the mode that contacts each other of a plurality of nano particles 13 of spraying 2 the filter precursors 19 of fitting, but the quilt that also can make a side filter precursor 19 is coated with the face of nano particle 13 and the opposing party's not fitted by the face of spraying nano particle 13 of filter precursor 19, thereafter, heat-treat, thereby obtain being laminated with the duplexer of the 1st ceramic layer 12 and nanoparticle layers 14.According to this method, by attaching filter precursor 19 repeatedly, thereby under situation about the stacked number of the 1st ceramic layer 12 and nanoparticle layers 14 not being limited, can be with the 1st ceramic layer 12 and nanoparticle layers 14 interaction cascadings, and can easily obtain to possess the 1st ceramic layer 12 more than 3 layers and the filter for filtration of the nanoparticle layers more than 2 layers 14.
Next, filter for filtration and the manufacture method thereof to the 3rd embodiment of the present invention describes.
The filter for filtration of the 3rd embodiment of the present invention has the formation same with the filter for filtration 20 of the 2nd embodiment, but the viewpoint that forms from stacking gradually 2 ceramic layers and nanoparticle layers is different with the filter for filtration 20 of the 2nd embodiment.Therefore, explanation is omitted in the formation, the effect that repeat, below different formations, effect are described.
Fig. 5 is the local amplification sectional view of formation of schematically representing the filter for filtration of present embodiment.
Among Fig. 5, filter for filtration 21 possesses the 1st ceramic layer 12, be formed on nanoparticle layers 14 on the 1st ceramic layer 12, this nanoparticle layers 14 of clamping and with the 1st ceramic layer 12 opposed the 2nd ceramic layers 15.
According to the filter for filtration 21 of present embodiment, nanoparticle layers 14 is by the 1st ceramic layer 12 and the 2nd ceramic layer 15 clampings, thus can guarantee the rigidity of filter for filtration 21, and can not worry that nano particle 13 flows out from nanoparticle layers 14.
In addition, in the filter for filtration 21, the size of nano particle 13 is 3nm～5nm, so can enter the gap 16 of the 1st ceramic layer the 12, the 2nd ceramic layer 15, particularly is present in the gap 16 on surface.Its result, the part of nanoparticle layers 14 infiltrate into the 1st ceramic layer 12 and the 2nd ceramic layer 15 respectively.Thus, can improve the adhesion of the 1st ceramic layer 12 and nanoparticle layers 14 and the 2nd ceramic layer 15 and nanoparticle layers 14, and can prevent the generation of the splitting in the filter for filtration 10, can improve filter for filtration 10 whole rigidity simultaneously.
Fig. 6 A～Fig. 6 C is the process chart of manufacture method of the filter for filtration of expression present embodiment.
At first, a plurality of ceramic particles 11 are enclosed in the mould of regulation, at high temperature,, thereby are carried out sintering and obtain the 1st ceramic layer 12(Fig. 6 A by the pressure of load regulation) (the 1st ceramic layer generates step).Then, a plurality of nano particles 13 are sprayed in the mode on the surface that covers the 1st ceramic layer 12 and after making its seamlessly distribute (nano particle distribution step), with each nano particle 13 by heat treatment carry out mutual fusion engage obtain nanoparticle layers 14(Fig. 6 B) (nanoparticle layers generation step).
Then, a plurality of ceramic particles 11 are distributed in the mode on the surface that covers nanoparticle layers 14 with spreading all over after, at high temperature,, thereby carry out sintering and obtain the 2nd ceramic layer 15(Fig. 6 C by the pressure of loading and stipulating).But at this moment, the pressure of afore mentioned rules must be set the value that does not make nano particle 13 fragmentations that constitute nanoparticle layers 14 for, for example, and the lower value of value when being preferably than formation the 1st ceramic layer 12.
Then, from the duplexer that is laminated with the 1st ceramic layer 12, nanoparticle layers 14 and the 2nd ceramic layer 15, cut out the filter for filtration 21 of regulation shape and finish this processing.
Manufacture method according to the filter for filtration of present embodiment, with particle diameter be a plurality of nano particles 13 of 3nm～5nm by heat treatment mutually molten adhere generate nanoparticle layers 14, so can be below the 2nm with the representative length setting in the gap 17 of 13 of each nano particles, thus, can be that the through hole of 2nm is created on filter for filtration 21 with diameter.Its result if use filter for filtration 21, then need not in running water, fresh water refining and with the way of distillation etc., and can obtain running water, fresh water easily.
Next, filter for filtration and the manufacture method thereof to the 4th embodiment of the present invention describes.
Present embodiment possesses a plurality of nanoparticle layers the 14, the 2nd ceramic layers 15, only put differently with the 3rd embodiment from this, its formation, effect and above-mentioned the 3rd embodiment are basic identical, and explanation is omitted in the formation, the effect that repeat, below, difference formation, effect are described.
Fig. 7 is the local amplification sectional view of formation of schematically representing the filter for filtration of present embodiment.
Among Fig. 7, in the filter for filtration 30, in being disposed at figure on undermost the 1st ceramic layer 12, alternatively repeatedly among laminated nanometer particle layer 14 and the 2nd ceramic layer 15(figure, be laminated with 2 nanoparticle layers 14 and 2 the 2nd ceramic layers 15).That is, the nanoparticle layers 14 of below is by the 2nd ceramic layer 15 clampings of the 1st ceramic layer 12 and below, and the nanoparticle layers 14 of top is by the 2nd ceramic layer 15 clampings of the 2nd ceramic layer 15 of below and top.In addition, the part of the nanoparticle layers 14 of below infiltrates into the 1st ceramic layer 12 and the 2nd ceramic layer 15, and the part of the nanoparticle layers 14 of top infiltrates into the 2nd ceramic layer 15 of below and the 2nd ceramic layer 15 of top.
Fig. 8 A～Fig. 8 E is the process chart of manufacture method of the filter for filtration of expression present embodiment.
Among Fig. 8 A～Fig. 8 E, at first, a plurality of ceramic particles 11 are enclosed in the mould of regulation at high temperature, the pressure of load regulation, thereby carry out sintering and obtain the 1st ceramic layer 12(Fig. 8 A) (the 1st ceramic layer generates step).Then, a plurality of nano particles 13 are sprayed in the mode on the surface that covers the 1st ceramic layer 12 and after making its seamlessly distribute (nano particle distribution step), each nano particle 13 is carried out mutual fusion by heat treatment engages the nanoparticle layers 14(Fig. 8 B that obtains the below) (nanoparticle layers generation step).
Then, in the mode on the surface of the nanoparticle layers 14 that covers the below a plurality of ceramic particles 11 are distributed with spreading all over after, at high temperature, the pressure that load is stipulated, thereby carry out sintering and obtain the 2nd ceramic layer 15(Fig. 8 C) (the 2nd ceramic layer generation step).
Then, a plurality of nano particles 13 are sprayed in the mode on the surface of the 2nd ceramic layer 15 that covers the below and after making its seamlessly distribute (nano particle distribution step), each nano particle 13 is carried out mutual fusion by heat treatment engages the nanoparticle layers 14(Fig. 8 D that obtains the top) (nanoparticle layers generation step), and then, after a plurality of ceramic particles 11 are distributed in the mode on the surface of the nanoparticle layers 14 that covers the top with spreading all over, at high temperature, the pressure of load regulation, thereby carry out sintering and obtain the 2nd ceramic layer 15(Fig. 8 E) (the 2nd ceramic layer generates step).
Then, from the duplexer that is laminated with the 1st ceramic layer 12, each nanoparticle layers 14 and each the 2nd ceramic layer 15, cut out the filter for filtration 10 of regulation shape and finish this processing.
According to the filter for filtration 30 of present embodiment, filter for filtration 30 possesses 1 the 1st ceramic layer 12 and 2 the 2nd ceramic layers 15, that is, the ceramic layer 12,15 more than 3 is so can guarantee the rigidity of filter for filtration 30 more reliably.And then, between 2 ceramic layers of nanoparticle layers 14 adjacency in the ceramic layer more than 3 12,15, so as a result of, in filter for filtration 30, there are a plurality of nanoparticle layers 14, its result, the filter capacity of filter for filtration 30 improves, and can obtain running water and fresh water more reliably.
In addition, manufacture method according to the filter for filtration 30 of present embodiment, after generating the 1st ceramic layer 12, the generation of nanoparticle layers 14 and the generation of the 2nd ceramic layer 15 are undertaken 2 times by this reiteration, so can easily obtain being laminated with the filter for filtration 30 of a plurality of ceramic layers 12,15 and a plurality of nanoparticle layers 14.
In the above-mentioned filter for filtration 30, be equipped with 2 nanoparticle layers 14 and 2 the 2nd ceramic layers 15, if the number that sets of nanoparticle layers 14 and the 2nd ceramic layer 15 is similar number, then be not limited to " 2 ", can increase and decrease the number that sets of nanoparticle layers 14 and the 2nd ceramic layer 15 according to the application target of filter for filtration 30.
If the filter for filtration in the respective embodiments described above to offer the refining of running water and fresh water more than the certain hour, then because of polluter, the salinity of catching causes obstruction, reduces the purification efficiency of running water and fresh water.Therefore, need flow into filter for filtration by making pressurized soup, thereby remove the polluter of catching and salinity and make filter for filtration regeneration, but because the filter for filtration in each embodiment is made of the parts than hard such as silica, even therefore pressurized soup flows, filter for filtration does not almost have breakage, consumption yet.That is, the filter for filtration in the respective embodiments described above is renewable.
In addition, during filtration, can make pressurized soup from mobile in the opposite direction, and remove captured contaminants matter etc. with following water or marine stream side.At this moment, because filter for filtration is made of the hard material, so filter for filtration also can tolerate higher pressure, can carry out removing of polluter etc. efficiently.
In addition, as mentioned above, the filter for filtration in each embodiment comprises the layer than hard that is made of the pottery that is sintered in formation, so can utilize PVD, CVD, have the metal coating of sterilization, antibacterial action with silver etc., help the refining of cleaner running water, fresh water.Here, be coated with filter for filtration with titanium oxide, irradiation ultraviolet radiation when running water, fresh water refining, thus can access strong sterilization effect based on the photochemical catalyst effect, and can carry out the sterilization of running water, fresh water reliably.
More than, the present invention will be described to utilize the respective embodiments described above, but the present invention is not limited to the respective embodiments described above.
Symbol description
10,20,21,30 filter for filtration
11 ceramic particles
12 the 1st ceramic layers
13 nano particles
14 nanoparticle layers
15 the 2nd ceramic layers
16,17 gaps
19 filter precursors
Claims (7)
1. a filter for filtration is characterized in that, possesses nanoparticle layers and at least 2 ceramic layers,
It is that a plurality of ceramic particle sintering of principal component generate that described ceramic layer makes with the metal oxide, and the gap between each described ceramic particle is adjusted to 50nm～500nm,
Described nanoparticle layers is that to make particle diameter be that a plurality of nano particles of 3nm～5nm carry out mutual molten adhere by heat treatment and generate, and by 2 described ceramic layer clampings of adjacency.
2. filter for filtration according to claim 1 is characterized in that the part of described nanoparticle layers infiltrates into described ceramic layer partly.
3. filter for filtration according to claim 1 is characterized in that, the major diameter of each described nano particle is below the 5nm and minor axis is more than the 3nm.
4. filter for filtration according to claim 1 is characterized in that, possesses the described ceramic layer more than 3,
Between 2 described ceramic layers of described nanoparticle layers adjacency in described ceramic layer more than 3.
5. the manufacture method of a filter for filtration is characterized in that, has following steps:
The 1st ceramic layer generates step, and making with the metal oxide is that a plurality of ceramic particles of principal component are bonded with each other, and the gap between each described ceramic particle is adjusted to 50nm～500nm, generates the 1st ceramic layer,
The nano particle distribution step, making particle diameter is that a plurality of nano particles of 3nm～5nm distribute in the mode on the surface of the 1st ceramic layer that covers described generation,
Nanoparticle layers generates step, and make a plurality of nano particles of described distribution carry out mutual molten adhere and generate nanoparticle layers by heat treatment,
The 2nd ceramic layer generates step, a plurality of described ceramic particles are distributed in the mode on the surface of the nanoparticle layers that covers described generation, a plurality of ceramic particles of this distribution are bonded with each other, and the gap between each described ceramic particle is adjusted to 50nm～500nm and generates the 2nd ceramic layer.
6. the manufacture method of filter for filtration according to claim 5 is characterized in that, in described nano particle distribution step, making particle diameter is that a plurality of nano particles of 3nm～5nm distribute in the mode on the surface of the 2nd ceramic layer that covers described generation,
After described the 1st ceramic layer generates step, described nano particle distribution step, described nanoparticle layers generation step and the 2nd ceramic layer are generated the number of times that step is stipulated by this reiteration.
7. the manufacture method of a filter for filtration is characterized in that, has following steps:
Ceramic layer generates step, and making with the metal oxide is that a plurality of ceramic particles of principal component are bonded with each other, and the gap between each described ceramic particle is adjusted to 50nm～500nm, generates ceramic layer,
The filter precursor forms step, and making particle diameter is that a plurality of nano particles of 3nm～5nm distribute in the mode on the surface of the ceramic layer that covers described generation and form the filter precursor,
Nanoparticle layers generates step, make to form the mode that face that 2 described filter precursors forming in the step distribute with described a plurality of nano particles contacts with each other at described filter precursor and fit, make a plurality of nano particles of described distribution carry out mutual molten adhere and generate 1 nanoparticle layers by heat treatment.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011016822A JP2012152727A (en) | 2011-01-28 | 2011-01-28 | Filtration filter, and method for producing filtration filter |
| JP2011-016822 | 2011-01-28 | ||
| PCT/JP2012/052191 WO2012102408A1 (en) | 2011-01-28 | 2012-01-25 | Filtration filter and filtration filter production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103228343A true CN103228343A (en) | 2013-07-31 |
Family
ID=46580971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012800037861A Pending CN103228343A (en) | 2011-01-28 | 2012-01-25 | Filtration filter and filtration filter production method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2012152727A (en) |
| KR (1) | KR20140005938A (en) |
| CN (1) | CN103228343A (en) |
| WO (1) | WO2012102408A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106000122A (en) * | 2016-08-03 | 2016-10-12 | 镇江市丹徒区硕源材料科技有限公司 | Carbon-containing composite film, preparation method and application thereof |
| CN106000127A (en) * | 2016-08-03 | 2016-10-12 | 镇江市丹徒区硕源材料科技有限公司 | Carbon-containing seawater desalination film, preparation method and application thereof |
| CN106110905A (en) * | 2016-08-03 | 2016-11-16 | 镇江市丹徒区硕源材料科技有限公司 | A kind of carbon containing isolating membrane and its preparation method and application |
| CN106139916A (en) * | 2016-08-03 | 2016-11-23 | 江苏科技大学 | A kind of desalination film and its preparation method and application |
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| CN106178984A (en) * | 2016-08-03 | 2016-12-07 | 镇江市丹徒区硕源材料科技有限公司 | A kind of carbon containing desalination film and its preparation method and application |
| CN106215714A (en) * | 2016-08-03 | 2016-12-14 | 江苏科技大学 | A kind of composite membrane and its preparation method and application |
| CN106237874A (en) * | 2016-08-03 | 2016-12-21 | 江苏科技大学 | A kind of sea water desalination membrane and its preparation method and application |
| CN110456555A (en) * | 2019-08-27 | 2019-11-15 | 昆山工研院新型平板显示技术中心有限公司 | Colored filter and preparation method thereof |
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| KR101526330B1 (en) * | 2012-12-20 | 2015-06-08 | 주식회사 에스디알앤디 | A water circulation apparatus of filtration type |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09502131A (en) * | 1994-06-24 | 1997-03-04 | マイクロパイレティックス、ヒーターズ、インターナショナル | Porous membrane and method for producing the same |
| JP2005022929A (en) * | 2003-07-04 | 2005-01-27 | Toshiba Ceramics Co Ltd | Ceramic porous body and its manufacturing method |
| CN1726127A (en) * | 2002-12-12 | 2006-01-25 | 密科理股份有限公司 | Porous sintered composite materials |
| CN1744941A (en) * | 2003-01-30 | 2006-03-08 | Itn纳诺瓦圣有限公司 | Multilayer ceramic composite |
| CN1758953A (en) * | 2003-02-13 | 2006-04-12 | Itn纳诺瓦圣有限公司 | Multi-layer ceramic composite |
| CN101351263A (en) * | 2006-07-20 | 2009-01-21 | 日本碍子株式会社 | Ceramic filter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002066280A (en) * | 2000-08-30 | 2002-03-05 | Kyocera Corp | Gas separation filter and method for manufacturing the same |
| JP4024704B2 (en) * | 2002-04-19 | 2007-12-19 | 日本碍子株式会社 | Manufacturing method of multilayer ceramic filter |
| JP5129926B2 (en) * | 2002-12-12 | 2013-01-30 | インテグリス・インコーポレーテッド | Porous sintered composite material |
| JP4379684B2 (en) * | 2003-07-09 | 2009-12-09 | 株式会社豊田中央研究所 | Fluid separation filter, manufacturing method thereof, and fuel cell system |
-
2011
- 2011-01-28 JP JP2011016822A patent/JP2012152727A/en not_active Ceased
-
2012
- 2012-01-25 KR KR1020137019878A patent/KR20140005938A/en not_active Application Discontinuation
- 2012-01-25 CN CN2012800037861A patent/CN103228343A/en active Pending
- 2012-01-25 WO PCT/JP2012/052191 patent/WO2012102408A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09502131A (en) * | 1994-06-24 | 1997-03-04 | マイクロパイレティックス、ヒーターズ、インターナショナル | Porous membrane and method for producing the same |
| CN1726127A (en) * | 2002-12-12 | 2006-01-25 | 密科理股份有限公司 | Porous sintered composite materials |
| CN1744941A (en) * | 2003-01-30 | 2006-03-08 | Itn纳诺瓦圣有限公司 | Multilayer ceramic composite |
| CN1758953A (en) * | 2003-02-13 | 2006-04-12 | Itn纳诺瓦圣有限公司 | Multi-layer ceramic composite |
| JP2005022929A (en) * | 2003-07-04 | 2005-01-27 | Toshiba Ceramics Co Ltd | Ceramic porous body and its manufacturing method |
| CN101351263A (en) * | 2006-07-20 | 2009-01-21 | 日本碍子株式会社 | Ceramic filter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000122A (en) * | 2016-08-03 | 2016-10-12 | 镇江市丹徒区硕源材料科技有限公司 | Carbon-containing composite film, preparation method and application thereof |
| CN106000127A (en) * | 2016-08-03 | 2016-10-12 | 镇江市丹徒区硕源材料科技有限公司 | Carbon-containing seawater desalination film, preparation method and application thereof |
| CN106110905A (en) * | 2016-08-03 | 2016-11-16 | 镇江市丹徒区硕源材料科技有限公司 | A kind of carbon containing isolating membrane and its preparation method and application |
| CN106139916A (en) * | 2016-08-03 | 2016-11-23 | 江苏科技大学 | A kind of desalination film and its preparation method and application |
| CN106178985A (en) * | 2016-08-03 | 2016-12-07 | 江苏科技大学 | A kind of isolating membrane and its preparation method and application |
| CN106178984A (en) * | 2016-08-03 | 2016-12-07 | 镇江市丹徒区硕源材料科技有限公司 | A kind of carbon containing desalination film and its preparation method and application |
| CN106215714A (en) * | 2016-08-03 | 2016-12-14 | 江苏科技大学 | A kind of composite membrane and its preparation method and application |
| CN106237874A (en) * | 2016-08-03 | 2016-12-21 | 江苏科技大学 | A kind of sea water desalination membrane and its preparation method and application |
| CN110456555A (en) * | 2019-08-27 | 2019-11-15 | 昆山工研院新型平板显示技术中心有限公司 | Colored filter and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012102408A1 (en) | 2012-08-02 |
| JP2012152727A (en) | 2012-08-16 |
| KR20140005938A (en) | 2014-01-15 |
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Application publication date: 20130731 |