CN108201715A - A kind of water process earthenware slab film and preparation method - Google Patents
A kind of water process earthenware slab film and preparation method Download PDFInfo
- Publication number
- CN108201715A CN108201715A CN201711351472.1A CN201711351472A CN108201715A CN 108201715 A CN108201715 A CN 108201715A CN 201711351472 A CN201711351472 A CN 201711351472A CN 108201715 A CN108201715 A CN 108201715A
- Authority
- CN
- China
- Prior art keywords
- supporter
- sintering
- earthenware slab
- carries out
- water
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052571 earthenware Inorganic materials 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005245 sintering Methods 0.000 claims abstract description 25
- 239000012528 membrane Substances 0.000 claims abstract description 20
- 238000002791 soaking Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 230000032683 aging Effects 0.000 claims abstract description 8
- 210000001161 mammalian embryo Anatomy 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000002103 nanocoating Substances 0.000 claims abstract description 8
- 239000002002 slurry Substances 0.000 claims abstract description 7
- 206010013786 Dry skin Diseases 0.000 claims abstract description 4
- 238000007605 air drying Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000004513 sizing Methods 0.000 claims abstract description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 14
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 14
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 7
- 239000005995 Aluminium silicate Substances 0.000 claims description 6
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 6
- 235000012211 aluminium silicate Nutrition 0.000 claims description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 6
- 235000011187 glycerol Nutrition 0.000 claims description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 6
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 6
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 6
- 239000008279 sol Substances 0.000 claims 1
- 239000000919 ceramic Substances 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 239000013618 particulate matter Substances 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 238000002242 deionisation method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
Abstract
The invention discloses a kind of water process earthenware slab film and preparation method, the earthenware slab membrane body is made of the nano coating of supporter and supporting body surface, and the preparation process is as follows：Stirring material is squeezed out by vacuum-extruder, stirring material carries out aging 12 for 24 hours in closed container, extruded stock after aging is shaped, the moisture content of wet embryo after sizing is 16 19%, wet embryo carries out 40 DEG C of low temperature dryings after squeezing out, dried idiosome moisture content is 4 6%, and dried idiosome carries out high temperature sintering, and sintering temperature is 1000 DEG C 1300 DEG C；Supporter carries out soaking paste film in the slurry, and soaking time is 1 2min, carries out high temperature sintering again after air drying 1h again, and sintering temperature is 900 DEG C ~ 1400 DEG C, can stablize and produce high-throughput ceramic membrane；Membrane aperture is evenly distributed, and has the characteristic of the adherency of particle-resistant object；Particulate matter rejection height in drainage is crossed, is easy to backwash cleaning.
Description
Technical field
The present invention relates to the technical field of ceramic membrane, especially a kind of water process earthenware slab film and preparation method.
Background technology
Ceramic membrane is inoranic membrane, has the characteristic of high temperature resistant, high mechanical strength, acid and alkali-resistance, resistance to oxidation, was used in operation
Have the advantages that separative efficiency height, easy cleaning, low energy consumption, Operation and Maintenance is simple and service life is long in journey.Current existing pottery
Porcelain membrane flux is small, and relative to polymer film, the manufacture cost of ceramic membrane is higher, therefore develops and manufacture at low cost and high pass
The ceramic membrane of amount is particularly important.
Invention content
The purpose of the present invention is to provide a kind of water process earthenware slab films and preparation method, and ceramic membrane body is by supporter
And nano coating composition, supporter is by alpha-phase aluminum oxide（Al2O3）High temperature sintering forms, and supporter is in alpha-phase aluminum oxide（Al2O3）With
Zirconium oxide（ZrO2）After carrying out soaking paste film in nanoparticles solution, then carry out high temperature sintering and form.Ceramic membrane can effectively be promoted
Flux and sintering strength.Overcome shortcoming and defect in the prior art.
To achieve these goals, the technical scheme is that：A kind of water process earthenware slab film, the ceramic flat
Plate membrane body is made of the nano coating of supporter and supporting body surface, and filter opening diameter is at 2mm-4mm, nano coating at supporter
Filter opening diameter in 50nm-300nm,.
Preferably, the width of the earthenware slab membrane body is 100mm-500mm, length 500mm-1200mm, and thickness is
5mm-8mm。
A kind of preparation method of water process earthenware slab film, the preparation process are as follows：
, supporter sintering, by alpha-phase aluminum oxide powder, sodium carboxymethylcellulose, kaolin, glycerine, ionized water carry out mixing stir
It mixes, the weight percent of each component point：Alpha-phase aluminum oxide powder 69.50-72.50wt.%, sodium carboxymethylcellulose 4.50-
5.50wt.%, kaolin 4.50-5.50wt.%, glycerine 1.50wt.%, deionized water 15.00-20.00wt.%, stirring material pass through
Vacuum-extruder squeezes out, and stirring material carries out aging 12-24h in closed container, it is aging after extruded stock shape, after sizing
Wet embryo moisture content in 16-19%, wet embryo carries out 40 DEG C of low temperature dryings after squeezing out, dried idiosome moisture content is 4-6%, is done
Idiosome after dry carries out high temperature sintering, and sintering temperature is 1000 DEG C -1300 DEG C；
, the supporter after the completion of sintering carry out dry cut after being cooled to room temperature；
, supporter carry out soaking paste film in the slurry, carried out again after soaking time 1-2min, air drying 1h high again
Temperature sintering, sintering temperature are 900 DEG C ~ 1400 DEG C, and slurry is by alpha-phase aluminum oxide powder, zirconia sol, surfactant, deionization
Water is mixed with, and the weight percent of each component is：15.00 ~ 16.00wt.% of alpha-phase aluminum oxide powder, zirconia sol 1.50 ~
2.00wt.%, 0.05 ~ 0.10wt.% of surfactant, 81.90 ~ 83.45wt.% of deionized water.
The invention discloses a kind of water process earthenware slab film and preparation method, advantage is：（1）Manufacture can be stablized
Go out high-throughput ceramic membrane, maximum stable operating flux can reach 450LMH during applied to water body filtration；（2）Make it is simple,
It full-automatic can produce；（3）Membrane aperture is evenly distributed, and porosity has the spy of the adherency of particle-resistant object between 40 ~ 60%
Property, it is easy to backwash cleaning；（4）It is high to cross particulate matter rejection in drainage, by experimental test, the water of influent turbidity 20NTU passes through
Filtering delivery turbidity can be less than 0.2NTU, can be widely applied to municipal plumbing, seawater desalinization pretreatment, Industry Waste
The filtering of suspended matter intercepts in the water bodys such as water.
Description of the drawings
Fig. 1 is earthenware slab film preparation process flow chart.
Fig. 2 is prepared earthenware slab film section electromicroscopic photograph.
Specific embodiment
With reference to the accompanying drawings, the present invention is further described below.
The invention discloses a kind of water process earthenware slab films and preparation method, are different from the prior art and are：Institute
It states earthenware slab membrane body to be made of the nano coating on 1 surface of supporter 1 and supporter, filter opening diameter is in 2mm- at supporter 1
4mm, for filter opening diameter in 50nm-300nm, membrane aperture is in normal distribution, can be by adjusting of soaking paste solution at nano coating
Grain grain size adjusts main distributed aperture specification.
In the specific implementation, the width of the earthenware slab membrane body be 100mm-500mm, length 500mm-1200mm,
Thickness is 5mm-8mm.
The preparation method of water process earthenware slab film, is different from the prior art and is：The preparation process is as follows：
, supporter sintering, by alpha-phase aluminum oxide powder, sodium carboxymethylcellulose, kaolin, glycerine, ionized water carry out mixing stir
It mixes, the weight percent of each component point：Alpha-phase aluminum oxide powder 69.50-72.50wt.%, sodium carboxymethylcellulose 4.50-
5.50wt.%, kaolin 4.50-5.50wt.%, glycerine 1.50wt.%, deionized water 15.00-20.00wt.%, stirring material pass through
Vacuum-extruder squeezes out, and stirring material carries out aging 12-24h in closed container, it is aging after extruded stock shape, after sizing
Wet embryo moisture content in 16-19%, wet embryo carries out 40 DEG C of low temperature dryings after squeezing out, dried idiosome moisture content is 4-6%, is done
Idiosome after dry carries out high temperature sintering, and sintering temperature is 1000 DEG C -1300 DEG C；
, the supporter after the completion of sintering carry out dry cut after being cooled to room temperature；
, supporter carry out soaking paste film in the slurry, carried out again after soaking time 1-2min, air drying 1h high again
Temperature sintering, sintering temperature are 900 DEG C ~ 1400 DEG C, and slurry is by alpha-phase aluminum oxide powder, zirconia sol, surfactant, deionization
Water is mixed with, and the weight percent of each component is：15.00 ~ 16.00wt.% of alpha-phase aluminum oxide powder, zirconia sol 1.50 ~
2.00wt.%, 0.05 ~ 0.10wt.% of surfactant, 81.90 ~ 83.45wt.% of deionized water.
In the specific implementation, the surfactant is polyvinyl alcohol.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, it is impossible to assert
Present invention specific implementation is confined to these above-mentioned explanations.For those of ordinary skill in the art to which the present invention belongs,
Without departing from the inventive concept of the premise, several simple deduction or replace can also be made, should all be considered as belonging to the present invention
Protection domain.
Claims (3)
1. a kind of water process earthenware slab film, it is characterised in that：The earthenware slab membrane body is by supporter（1）And supporter
（1）The nano coating on surface is formed, supporter（1）Locate filter opening diameter at 2 mm -4mm, nano coating filter opening diameter 50
nm-300nm。
2. a kind of water process earthenware slab film according to claim 1, it is characterised in that：The earthenware slab membrane body
Width is 100 mm -500mm, and length is 500 mm -1200mm, thickness 5mm-8mm.
3. a kind of water process preparation method of earthenware slab film, it is characterised in that：The preparation process is as follows：
, supporter sintering, alpha-phase aluminum oxide powder, sodium carboxymethylcellulose, kaolin, glycerine, ionized water are mixed,
The weight percent of each component point：Alpha-phase aluminum oxide powder 69.50-72.50wt.%, sodium carboxymethylcellulose 4.50-5.50wt.%,
Kaolin 4.50-5.50wt.%, glycerine 1.50wt.%, deionized water 15.00-20.00wt.%, stirring material pass through vacuum-extruder
Squeeze out, stirring material carries out aging 12-24h in closed container, it is aging after extruded stock shape, the wet embryo after sizing contains
For water rate in 16-19%, wet embryo carries out 40 DEG C of low temperature dryings after squeezing out, and dried idiosome moisture content is 4-6%, dried idiosome
High temperature sintering is carried out, sintering temperature is 1000 DEG C -1300 DEG C；
, the supporter after the completion of sintering carry out dry cut after being cooled to room temperature；
, supporter carry out soaking paste film in the slurry, carry out high temperature again again after soaking time 1-2min, air drying 1h
Sintering, sintering temperature are 900 DEG C ~ 1400 DEG C, and slurry is by alpha-phase aluminum oxide powder, zirconia sol, surfactant, deionized water
It is mixed with, the weight percent of each component is：15.00 ~ 16.00wt.% of alpha-phase aluminum oxide powder, zirconia sol 1.50 ~
2.00wt.%, 0.05 ~ 0.10wt.% of surfactant, 81.90 ~ 83.45wt.% of deionized water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711351472.1A CN108201715A (en) | 2017-12-15 | 2017-12-15 | A kind of water process earthenware slab film and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711351472.1A CN108201715A (en) | 2017-12-15 | 2017-12-15 | A kind of water process earthenware slab film and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108201715A true CN108201715A (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711351472.1A Pending CN108201715A (en) | 2017-12-15 | 2017-12-15 | A kind of water process earthenware slab film and preparation method |
Country Status (1)
| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698258A (en) * | 2017-08-03 | 2018-02-16 | 浙江理工大学 | A kind of ceramic membrane painting method |
| CN109852959A (en) * | 2019-02-25 | 2019-06-07 | 温州万众表面处理技术有限公司 | A kind of Environmentally-friephosphorus-free phosphorus-free electrophoresis dedicated ceramic film layer inorganic agent and preparation method thereof and the method that film layer is formed using inorganic agent processing |
| CN111056858A (en) * | 2019-12-20 | 2020-04-24 | 上海巴安水务股份有限公司 | Preparation method of flat ceramic membrane support and ceramic pug thereof |
| WO2022182287A1 (en) * | 2021-02-26 | 2022-09-01 | National University Of Singapore | Porous ceramic supports, membranes, methods and uses thereof |
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| JPS61209005A (en) * | 1985-03-13 | 1986-09-17 | Ngk Insulators Ltd | Separation membrane and its preparation |
| CN103381338A (en) * | 2013-07-30 | 2013-11-06 | 广州中国科学院先进技术研究所 | Ceramic flat membrane supporting body and production method thereof |
| CN104258737A (en) * | 2014-09-10 | 2015-01-07 | 山东工业陶瓷研究设计院有限公司 | Preparation method of large-size thin-wall hollow flat-plate ceramic film |
| CN107349801A (en) * | 2017-08-24 | 2017-11-17 | 萍乡市普天高科实业有限公司 | A kind of earthenware slab film |
-
2017
- 2017-12-15 CN CN201711351472.1A patent/CN108201715A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61209005A (en) * | 1985-03-13 | 1986-09-17 | Ngk Insulators Ltd | Separation membrane and its preparation |
| CN103381338A (en) * | 2013-07-30 | 2013-11-06 | 广州中国科学院先进技术研究所 | Ceramic flat membrane supporting body and production method thereof |
| CN104258737A (en) * | 2014-09-10 | 2015-01-07 | 山东工业陶瓷研究设计院有限公司 | Preparation method of large-size thin-wall hollow flat-plate ceramic film |
| CN107349801A (en) * | 2017-08-24 | 2017-11-17 | 萍乡市普天高科实业有限公司 | A kind of earthenware slab film |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698258A (en) * | 2017-08-03 | 2018-02-16 | 浙江理工大学 | A kind of ceramic membrane painting method |
| CN107698258B (en) * | 2017-08-03 | 2020-11-13 | 浙江理工大学 | Ceramic film coating method |
| CN109852959A (en) * | 2019-02-25 | 2019-06-07 | 温州万众表面处理技术有限公司 | A kind of Environmentally-friephosphorus-free phosphorus-free electrophoresis dedicated ceramic film layer inorganic agent and preparation method thereof and the method that film layer is formed using inorganic agent processing |
| CN111056858A (en) * | 2019-12-20 | 2020-04-24 | 上海巴安水务股份有限公司 | Preparation method of flat ceramic membrane support and ceramic pug thereof |
| WO2022182287A1 (en) * | 2021-02-26 | 2022-09-01 | National University Of Singapore | Porous ceramic supports, membranes, methods and uses thereof |
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Application publication date: 20180626 |