CN101851112A - Preparation method for andesite porous filter ceramic for filtration - Google Patents
Preparation method for andesite porous filter ceramic for filtration Download PDFInfo
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- CN101851112A CN101851112A CN201010194685A CN201010194685A CN101851112A CN 101851112 A CN101851112 A CN 101851112A CN 201010194685 A CN201010194685 A CN 201010194685A CN 201010194685 A CN201010194685 A CN 201010194685A CN 101851112 A CN101851112 A CN 101851112A
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- porous filter
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Abstract
The invention relates to a preparation method for andesite porous filter ceramic for filtration, which comprises the following steps: taking andesite powder, mixing the andesite powder with binder and pore-forming material, using a die and forming on a hot press to obtain a blank, finally putting the hot-pressed blank in a sintering furnace, increasing temperature to decompose the pore-forming material, and cooling with the furnace to room temperature after high-temperature sintering to obtain the andesite porous filter ceramic for filtration. The invention uses andesite as a raw material for preparing the porous filter ceramic. The prepared porous ceramic fully reflects the advantages of strong acid resistance, strong alkaline resistance, high temperature resistance, high corrosion resistance and the like of the andesite, has healthcare function on human bodies and can be widely in the filtration field, especially food filtration and steelmaking filtration.
Description
Technical field
The invention belongs to the porous ceramic film material field, be specifically related to a kind of preparation method of andesite porous filter ceramic for filtration.
Background technology
The porous ceramics conduct is the ceramic functional materials of principal phase with the gas phase, because of its excellent performance is widely used in every field such as metallurgy, chemical industry, environmental protection, the energy, food, pharmacy, biology, as materials such as filtration, separation, gas distribution, sound-absorbing, heat insulation, chemical filler, biological ceramics and support of the catalyst.Be used to prepare the material that filters with porous ceramics at present and mainly contain wollastonite, diatomite, mullite, corundum and materials such as silicon carbide material, magnesium-aluminium spinel, the preparation method mainly contains and adds pore-forming material method, foaming, foam impregnation method, sol-gel method, hydro-thermal-Re static pressure method etc.In the industrial applications, select which kind of material and forming technology for use, depend on factors such as the requirement of filtering porous ceramic film material, production costs.
Andesite, a kind of for volcanics mainly by mineral compositions such as feldspar, pyroxene, hornblende, quartzy and biotite, has advantages such as acidproof, alkaline-resisting, wear-resisting, high temperature resistant, that hardness is moderate, and snappiness is strong, and widely distributed, cheap.Spot shape andesite is commonly called as " medical stone " again, has the composition of andesite and obvious spot shape tissue is arranged, and has mineralising to purify water, and increases the biological activity of water, improves the characteristics such as potential of hydrogen of body physiological function and two-ways regulation water.Be widely used in health care, health care of food, environment protection, water quality improvement and beverage, wine brewing, medicine, reodorant, farm crop and flower culture, poultry farming, desirable environmental protection industry (epi) such as aquaculture.But present application to andesite only limits to the preparation material of the protection of nuclear industry, the equipment of anti-strong acid etc., and the application aspect health care only limits to powder additives.
Summary of the invention
The object of the present invention is to provide the preparation method of a kind of strong alkali-acid resistance, high temperature resistant, corrosion resistant andesite porous filter ceramic for filtration.
For achieving the above object, the technical solution used in the present invention is:
1) at first, gets andesite and its ball milling become 100 orders～500 purpose powders;
2) secondly, add the binding agent of andesite powder quality 5%～15% and 5%～20% pore-forming material in the andesite powder, utilize mould compression moulding on thermocompressor to get blank, pressing pressure is 8～15MPa, press temperature is 80～130 ℃, and hot pressing time is 20～30min;
3) last, blank after the hot pressing is put into sintering oven be warming up to the pore-forming material decomposition temperature with the temperature rise rate of 4～6 ℃/min from room temperature, and under the pore-forming material decomposition temperature, be incubated 60～90min, and then be warming up to 950～1200 ℃, and behind this temperature insulation 150～180min, cool to room temperature with the furnace and obtain andesite porous filter ceramic for filtration with the temperature rise rate of 8～10 ℃/min.
Andesite of the present invention contains 58～65% SiO by mass percentage
2, 3～5% Fe
2O
3, 0.6～0.9% TiO
2, 4～6% CaO, 3～5% MgO, 14～17% Al
2O
3, 2～4% Na
2O and 1～3% K
2O.
Binding agent is the mixture of one or more arbitrary proportions in polyvinyl alcohol, bio-vitric, Polycarbosilane, the silicone resin.
Pore-forming material is starch, dextrin, carbonate, carbon black, wood powder, coke, four ammonium chlorides or synthetic resin moulding compound.
The present invention is feedstock production porous filtering pottery with the andesite, the porous ceramics of preparation has demonstrated fully the strong alkali-acid resistance of andesite, advantage such as high temperature resistant, corrosion-resistant, and have the body-care effect, can be widely used in filtration art, especially food filters, makes steel and filter.
Embodiment
Embodiment 1: at first, get andesite and its ball milling is become 100 orders～500 purpose powders; Secondly, add the binding agent polyvinyl alcohol of andesite powder quality 5% and 10% pore-forming material starch in the andesite powder, utilize mould compression moulding on thermocompressor to get blank, pressing pressure is 8MPa, and press temperature is 130 ℃, and hot pressing time is 30min; At last, blank after the hot pressing is put into sintering oven be warming up to the pore-forming material decomposition temperature with the temperature rise rate of 4 ℃/min from room temperature, and under the pore-forming material decomposition temperature, be incubated 60min, and then be warming up to 1000 ℃, and behind this temperature insulation 180min, cool to room temperature with the furnace and obtain andesite porous filter ceramic for filtration with the temperature rise rate of 10 ℃/min.
Andesite of the present invention contains 58～65% SiO by mass percentage
2, 3～5% Fe
2O
3, 0.6～0.9% TiO
2, 4～6% CaO, 3～5% MgO, 14～17% Al
2O
3, 2～4% Na
2O and 1～3% K
2O.
Embodiment 2: at first, get andesite and its ball milling is become 100 orders～500 purpose powders; Secondly, add the binding agent bio-vitric of andesite powder quality 8% and 15% pore-forming material dextrin in the andesite powder, utilize mould compression moulding on thermocompressor to get blank, pressing pressure is 12MPa, and press temperature is 100 ℃, and hot pressing time is 25min; At last, blank after the hot pressing is put into sintering oven be warming up to the pore-forming material decomposition temperature with the temperature rise rate of 5 ℃/min from room temperature, and under the pore-forming material decomposition temperature, be incubated 80min, and then be warming up to 1000 ℃, and behind this temperature insulation 160min, cool to room temperature with the furnace and obtain andesite porous filter ceramic for filtration with the temperature rise rate of 8 ℃/min.
Embodiment 3: at first, get andesite and its ball milling is become 100 orders～500 purpose powders; Secondly, add the binding agent Polycarbosilane of andesite powder quality 10% and 5% pore-forming material carbonate in the andesite powder, utilize mould compression moulding on thermocompressor to get blank, pressing pressure is 15MPa, and press temperature is 80 ℃, and hot pressing time is 20min; At last, blank after the hot pressing is put into sintering oven be warming up to the pore-forming material decomposition temperature with the temperature rise rate of 6 ℃/min from room temperature, and under the pore-forming material decomposition temperature, be incubated 90min, and then be warming up to 1200 ℃, and behind this temperature insulation 150min, cool to room temperature with the furnace and obtain andesite porous filter ceramic for filtration with the temperature rise rate of 9 ℃/min.
Embodiment 4: at first, get andesite and its ball milling is become 100 orders～500 purpose powders; Secondly, add the binding agent silicone resin of andesite powder quality 15% and 20% pore-forming material carbon black in the andesite powder, utilize mould compression moulding on thermocompressor to get blank, pressing pressure is 9MPa, and press temperature is 120 ℃, and hot pressing time is 28min; At last, blank after the hot pressing is put into sintering oven be warming up to the pore-forming material decomposition temperature with the temperature rise rate of 6 ℃/min from room temperature, and under the pore-forming material decomposition temperature, be incubated 70min, and then be warming up to 1100 ℃, and behind this temperature insulation 170min, cool to room temperature with the furnace and obtain andesite porous filter ceramic for filtration with the temperature rise rate of 8 ℃/min.
Embodiment 5: at first, get andesite and its ball milling is become 100 orders～500 purpose powders; Secondly, add polyvinyl alcohol, 4% bio-vitric and 12% the pore-forming material wood powder powder of andesite powder quality 5% in the andesite powder, utilize mould compression moulding on thermocompressor to get blank, pressing pressure is 13MPa, press temperature is 90 ℃, and hot pressing time is 23min; At last, blank after the hot pressing is put into sintering oven be warming up to the pore-forming material decomposition temperature with the temperature rise rate of 5 ℃/min from room temperature, and under the pore-forming material decomposition temperature, be incubated 75min, and then be warming up to 1150 ℃, and behind this temperature insulation 165min, cool to room temperature with the furnace and obtain andesite porous filter ceramic for filtration with the temperature rise rate of 9 ℃/min.
Embodiment 6: at first, get andesite and its ball milling is become 100 orders～500 purpose powders; Secondly, add Polycarbosilane, 7% silicone resin and 16% the pore-forming material coke powder of andesite powder quality 4% in the andesite powder, utilize mould compression moulding on thermocompressor to get blank, pressing pressure is 10MPa, press temperature is 110 ℃, and hot pressing time is 21min; At last, blank after the hot pressing is put into sintering oven be warming up to the pore-forming material decomposition temperature with the temperature rise rate of 4 ℃/min from room temperature, and under the pore-forming material decomposition temperature, be incubated 85min, and then be warming up to 950 ℃, and behind this temperature insulation 180min, cool to room temperature with the furnace and obtain andesite porous filter ceramic for filtration with the temperature rise rate of 10 ℃/min.
Embodiment 7: at first, get andesite and its ball milling is become 100 orders～500 purpose powders; Secondly, add polyvinyl alcohol, 3% bio-vitric, 9% Polycarbosilane and 18% the pore-forming material synthetic resin moulding compound of andesite powder quality 1% in the andesite powder, utilize mould compression moulding on thermocompressor to get blank, pressing pressure is 14MPa, press temperature is 115 ℃, and hot pressing time is 26min; At last, blank after the hot pressing is put into sintering oven be warming up to the pore-forming material decomposition temperature with the temperature rise rate of 5 ℃/min from room temperature, and under the pore-forming material decomposition temperature, be incubated 65min, and then be warming up to 1050 ℃, and behind this temperature insulation 175min, cool to room temperature with the furnace and obtain andesite porous filter ceramic for filtration with the temperature rise rate of 9 ℃/min.
Claims (4)
1. the preparation method of an andesite porous filter ceramic for filtration is characterized in that:
1) at first, gets andesite and its ball milling become 100 orders～500 purpose powders;
2) secondly, add the binding agent of andesite powder quality 5%～15% and 5%～20% pore-forming material in the andesite powder, utilize mould compression moulding on thermocompressor to get blank, pressing pressure is 8～15MPa, press temperature is 80～130 ℃, and hot pressing time is 20～30min;
3) last, blank after the hot pressing is put into sintering oven be warming up to the pore-forming material decomposition temperature with the temperature rise rate of 4～6 ℃/min from room temperature, and under the pore-forming material decomposition temperature, be incubated 60～90min, and then be warming up to 950～1200 ℃, and behind this temperature insulation 150～180min, cool to room temperature with the furnace and obtain andesite porous filter ceramic for filtration with the temperature rise rate of 8～10 ℃/min.
2. the preparation method of andesite porous filter ceramic for filtration according to claim 1, it is characterized in that: said andesite contains 58～65% SiO by mass percentage
2, 3～5% Fe
2O
3, 0.6～0.9% TiO
2, 4～6% CaO, 3～5% MgO, 14～17% Al
2O
3, 2～4% Na
2O and 1～3% K
2O.
3. the preparation method of andesite porous filter ceramic for filtration according to claim 1, it is characterized in that: said binding agent is the mixture of one or more arbitrary proportions in polyvinyl alcohol, bio-vitric, Polycarbosilane, the silicone resin.
4. the preparation method of andesite porous filter ceramic for filtration according to claim 1, it is characterized in that: said pore-forming material is starch, dextrin, carbonate, carbon black, wood powder, coke, four ammonium chlorides or synthetic resin moulding compound.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010194685XA CN101851112B (en) | 2010-06-08 | 2010-06-08 | Preparation method for andesite porous filter ceramic for filtration |
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| CN201010194685XA CN101851112B (en) | 2010-06-08 | 2010-06-08 | Preparation method for andesite porous filter ceramic for filtration |
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| CN101851112A true CN101851112A (en) | 2010-10-06 |
| CN101851112B CN101851112B (en) | 2012-07-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539482A (en) * | 2013-11-07 | 2014-01-29 | 陈松 | Ultra-microporous ceramic sound-absorbing material and preparation method thereof |
| CN110746197A (en) * | 2019-11-06 | 2020-02-04 | 江苏荆溪环保设备有限公司 | Manufacturing method of corundum membrane filter tube |
| CN110937918A (en) * | 2019-05-09 | 2020-03-31 | 湖州师范学院 | Andesite tailing-based foamed ceramic |
| CN112250466A (en) * | 2020-10-29 | 2021-01-22 | 中北大学 | Porous conductive ceramic material for heating electronic smoking set and preparation method thereof |
| CN113773063A (en) * | 2020-06-09 | 2021-12-10 | 萍乡学院 | Preparation method of porous ceramic |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208665A (en) * | 1997-08-15 | 1999-02-24 | 陈聪海 | Microporous enamelled Chinese medicinal stone filtering element and method for mfg. same |
| JP2003012384A (en) * | 2001-06-29 | 2003-01-15 | Japan Science & Technology Corp | High strength lightweight porous ceramic and method of manufacturing the same |
| CN1548402A (en) * | 2003-05-14 | 2004-11-24 | 广东省枫溪陶瓷工业研究所 | Making process of porous ceraimc filter element |
| CN1792951A (en) * | 2005-12-05 | 2006-06-28 | 阎崇光 | Application in acid connecting equipment of andesite anorthose |
| CN1887767A (en) * | 2006-07-21 | 2007-01-03 | 阎崇光 | Application of andesite in building surface decoration |
-
2010
- 2010-06-08 CN CN201010194685XA patent/CN101851112B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208665A (en) * | 1997-08-15 | 1999-02-24 | 陈聪海 | Microporous enamelled Chinese medicinal stone filtering element and method for mfg. same |
| JP2003012384A (en) * | 2001-06-29 | 2003-01-15 | Japan Science & Technology Corp | High strength lightweight porous ceramic and method of manufacturing the same |
| CN1548402A (en) * | 2003-05-14 | 2004-11-24 | 广东省枫溪陶瓷工业研究所 | Making process of porous ceraimc filter element |
| CN1792951A (en) * | 2005-12-05 | 2006-06-28 | 阎崇光 | Application in acid connecting equipment of andesite anorthose |
| CN1887767A (en) * | 2006-07-21 | 2007-01-03 | 阎崇光 | Application of andesite in building surface decoration |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539482A (en) * | 2013-11-07 | 2014-01-29 | 陈松 | Ultra-microporous ceramic sound-absorbing material and preparation method thereof |
| CN103539482B (en) * | 2013-11-07 | 2015-04-15 | 陈松 | Ultra-microporous ceramic sound-absorbing material and preparation method thereof |
| CN110937918A (en) * | 2019-05-09 | 2020-03-31 | 湖州师范学院 | Andesite tailing-based foamed ceramic |
| CN110746197A (en) * | 2019-11-06 | 2020-02-04 | 江苏荆溪环保设备有限公司 | Manufacturing method of corundum membrane filter tube |
| CN113773063A (en) * | 2020-06-09 | 2021-12-10 | 萍乡学院 | Preparation method of porous ceramic |
| CN112250466A (en) * | 2020-10-29 | 2021-01-22 | 中北大学 | Porous conductive ceramic material for heating electronic smoking set and preparation method thereof |
| CN112250466B (en) * | 2020-10-29 | 2022-06-28 | 中北大学 | Porous conductive ceramic material for heating electronic smoking set and preparation method thereof |
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| CN101851112B (en) | 2012-07-25 |
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