CN103521001A - Perlite filter element and preparation method thereof - Google Patents
Perlite filter element and preparation method thereof Download PDFInfo
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- CN103521001A CN103521001A CN201310402060.1A CN201310402060A CN103521001A CN 103521001 A CN103521001 A CN 103521001A CN 201310402060 A CN201310402060 A CN 201310402060A CN 103521001 A CN103521001 A CN 103521001A
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Abstract
The invention discloses a perlite filter element and a preparation method thereof. The perlite filter element is characterized by being prepared from the following raw materials in parts by weight: 12-14 parts of perlite, 20-22 parts of bauxite, 4-6 parts of aluminium nitride, 4-6 parts of sodium hydrogen carbonate, 3-4 parts of medical stone powder, 2-3 parts of nano carbon, 5-6 parts of colleseed oil, 24-26 parts of clay, 3-4 parts of sodium tripolyphosphate, 4-6 parts of propylene glycol, 2-3 parts of ethylene glycol, 1-2 parts of tantalum boride, 2-3 parts of ammonium chloride, 30-35 parts of modified attapulgite clay and a proper amount of water. The stress in the filter element is uniform through regional sintering, and the phenomena of breakage and the like are avoided; bubble holes are uniform; the perlite filter element has excellent high-temperature resistance and corrosion resistance and has the outstanding advantages of high purification efficiency, high-temperature resistance, low pressure loss, corrosion resistance, long service life, capability of removing micro dust from air and the like.
Description
Technical field
The invention belongs to filtering material technical field, specifically a kind of pearlite filter element and preparation method thereof.
Background technology
Filtering material purposes is very extensive, is widely used in the industry such as chemical industry, electric power, metallurgy, oil, electronic apparatus, machinery; Modal have an air filter for automobile, for filtering the air that enters engine, the mechanical admixture compositions such as airborne particle, particulate stopped, prevents that these compositions from entering in gasoline, diesel oil or machine oil, guarantees engine work.Also has a large amount of filtering materials for air handling system, ambient air pollutes very serious now, greatly be detrimental to health, air filting material can be by the various deleterious particle thing absorption of air, prevent from entering people's life or working environment, reduce the suction of human lung to harmful substances such as particles, improve people's quality of life, reduce the generation of disease.Some is for water filtration and sewage disposal, for separating of the heavy metal in water or harmful components.Existing filtering material mainly contains ceramic honey comb, filter paper, steel wire etc.Existing honeycomb ceramic filter material feedstock is joined function singleness, can not meet the requirement of technology development.
Summary of the invention
The object of this invention is to provide a kind of pearlite filter element and preparation method thereof, the present invention has that purification efficiency is high, high temperature resistant, the pressure loss is little, corrosion-resistant, long service life, remove the outstanding advantages such as airborne micronic dust.
The technical solution adopted in the present invention is:
, it is characterized in that being made by the raw material of following weight portion:
Perlite 12-14, aluminium vanadine 20-22, aluminium nitride 4-6, sodium acid carbonate 4-6, medical stone powder 3-4, nano-sized carbon 2-3, rapeseed oil 5-6, clay 24-26, sodium phosphate trimer 3-4, propane diols 4-6, ethylene glycol 2-3, tantalum boride 1-2, ammonium chloride 2-3, attapulgite modified 30-35, water are appropriate.
Described attapulgite modifiedly made by following methods:
Attapulgite is put at 460-480 ℃ and calcined 3-4 hour, take out, cooling, put into 10-12% sodium hydroxide solution and soak 2-3 hour, take out, with pure water, clean, dry pulverize; Add be again equivalent to the aluminium nitride of attapulgite powder weight 35-40%, the dandelion powder of 18-20%, the sodium phosphate trimer of 3-4%, the graphite of the medical stone powder of 2-3%, 2-3%, the copper powder of 3-4%, mix and blend 30-40 minute, and then spray into the soybean oil that is equivalent to attapulgite weight 3-5%, under 13000-16000 rev/min, stir 60-70 minute, obtain.
The preparation method of described pearlite filter element, is characterized in that comprising the following steps:
Perlite, aluminium vanadine, clay are sent into and at 1200-1350 ℃, are carried out high-temperature firing 2-3 hour, cooling after, grind; Then all raw materials are mixed, vacuum pugging, compressing, send in continuous tunnel furnace and fire, send into sintering processes in tunneled sintering kiln: four sections of temperature and times of continuous tunnel furnace are respectively: a district: 330-360 ℃, 40-60 minute; 2nd district: 540-570 ℃, time 2-3 hour; 3rd district: 750-780 ℃, 80-100 minute; 4th district: 1130-1240 ℃, time 120-140 minute; Then mould is taken out from continuous tunnel furnace, cooling after, the sodium bicarbonate aqueous solution of putting into 4-5% soaks 2-3 days, after cleaning, takes out, and dries.
The present invention is through subregion sintering, make filter core uniform internal stress, can not go out out the situations such as fracture, abscess is even, there is high temperature resistant, decay resistance preferably, have that purification efficiency is high, high temperature resistant, the pressure loss is little, corrosion-resistant, long service life, remove the outstanding advantages such as airborne micronic dust.The present invention can for the air filtration of air handling system, also can be for water filtration, can also, for the air-breathing filtration of automobile filter, be applicable to the severe place of various environment.
The specific embodiment
, by following weight portion (kilogram) raw material make:
Perlite 14, aluminium vanadine 22, aluminium nitride 4, sodium acid carbonate 6, medical stone powder 4, nano-sized carbon 2, rapeseed oil 5, clay 26, sodium phosphate trimer 3, propane diols 6, ethylene glycol 2, tantalum boride 2, ammonium chloride 3, attapulgite modified 30, water is appropriate.
Described attapulgite modifiedly made by following methods:
Attapulgite is put at 460-480 ℃ and calcined 3-4 hour, take out, cooling, put into 10-12% sodium hydroxide solution and soak 2-3 hour, take out, with pure water, clean, dry pulverize; Add again and be equivalent to the aluminium nitride of attapulgite powder weight 40%, 20% dandelion powder, 4% sodium phosphate trimer, 3% medical stone powder, 3% graphite, 4% copper powder, mix and blend 30-40 minute, and then spray into the soybean oil that is equivalent to attapulgite weight 5%, under 13000-16000 rev/min, stir 60-70 minute, obtain.
The preparation method of pearlite filter element, comprises the following steps:
Perlite, aluminium vanadine, clay are sent into and at 1200-1350 ℃, are carried out high-temperature firing 2-3 hour, cooling after, grind; Then all raw materials are mixed, vacuum pugging, compressing, send in continuous tunnel furnace and fire, send into sintering processes in tunneled sintering kiln: four sections of temperature and times of continuous tunnel furnace are respectively: a district: 330-360 ℃, 40-60 minute; 2nd district: 540-570 ℃, time 2-3 hour; 3rd district: 750-780 ℃, 80-100 minute; 4th district: 1130-1240 ℃, time 120-140 minute; Then mould is taken out from continuous tunnel furnace, cooling after, the sodium bicarbonate aqueous solution of putting into 4-5% soaks 2-3 days, after cleaning, takes out, and dries.
Sample important technological parameters of the present invention is: heat shock resistance: 950 ℃-20 ℃ air-cooled does not once split; 1250 ℃ of maximum operation (service) temperatures.The technical indicator of exhaust gas purification and treatment device is: process 550 ℃ of gas maximum temperatures; Trapping micronic dust efficiency >=99%; Outlet discharge soot dust granule substrate concentration≤30mg/m3; The dust granules minimum grain size scope 1-10 μ m catching.
Claims (2)
1. a pearlite filter element, is characterized in that being made by the raw material of following weight portion:
Perlite 12-14, aluminium vanadine 20-22, aluminium nitride 4-6, sodium acid carbonate 4-6, medical stone powder 3-4, nano-sized carbon 2-3, rapeseed oil 5-6, clay 24-26, sodium phosphate trimer 3-4, propane diols 4-6, ethylene glycol 2-3, tantalum boride 1-2, ammonium chloride 2-3, attapulgite modified 30-35, water are appropriate;
Described attapulgite modifiedly made by following methods:
Attapulgite is put at 460-480 ℃ and calcined 3-4 hour, take out, cooling, put into 10-12% sodium hydroxide solution and soak 2-3 hour, take out, with pure water, clean, dry pulverize; Add be again equivalent to the aluminium nitride of attapulgite powder weight 35-40%, the dandelion powder of 18-20%, the sodium phosphate trimer of 3-4%, the graphite of the medical stone powder of 2-3%, 2-3%, the copper powder of 3-4%, mix and blend 30-40 minute, and then spray into the soybean oil that is equivalent to attapulgite weight 3-5%, under 13000-16000 rev/min, stir 60-70 minute, obtain.
2. the preparation method of pearlite filter element according to claim 1, is characterized in that comprising the following steps:
Perlite, aluminium vanadine, clay are sent into and at 1200-1350 ℃, are carried out high-temperature firing 2-3 hour, cooling after, grind; Then all raw materials are mixed, vacuum pugging, compressing, send in continuous tunnel furnace and fire, send into sintering processes in tunneled sintering kiln: four sections of temperature and times of continuous tunnel furnace are respectively: a district: 330-360 ℃, 40-60 minute; 2nd district: 540-570 ℃, time 2-3 hour; 3rd district: 750-780 ℃, 80-100 minute; 4th district: 1130-1240 ℃, time 120-140 minute; Then mould is taken out from continuous tunnel furnace, cooling after,
The sodium bicarbonate aqueous solution of putting into 4-5% soaks 2-3 days, after cleaning, takes out, and dries.
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| CN201310402060.1A CN103521001B (en) | 2013-09-06 | 2013-09-06 | A kind of pearlite filter element and preparation method thereof |
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| CN201310402060.1A CN103521001B (en) | 2013-09-06 | 2013-09-06 | A kind of pearlite filter element and preparation method thereof |
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| CN103521001A true CN103521001A (en) | 2014-01-22 |
| CN103521001B CN103521001B (en) | 2016-02-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104437583A (en) * | 2014-11-27 | 2015-03-25 | 佛山市鼎元纳米环保科技有限公司 | Air purifier of nano air catalyst and preparation method of air purifier of nano air catalyst |
| CN105964055A (en) * | 2016-06-24 | 2016-09-28 | 马鞍山市顺达环保设备有限公司 | Filter material for industrial dedusting device and preparation method of filter material |
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| CN101732926A (en) * | 2010-01-08 | 2010-06-16 | 潘峰 | Molecular sieve filter element and preparation method thereof |
| CN101898115A (en) * | 2009-05-25 | 2010-12-01 | 周奇迪 | Filter medium, preparation method thereof, filter element and water purification device |
| CN102153329A (en) * | 2010-11-22 | 2011-08-17 | 甘肃省灌溉试验培训中心 | Ceramic filter element and production process thereof |
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| US20060030475A1 (en) * | 2004-08-03 | 2006-02-09 | Beall Douglas M | Method for fabricating ceramic articles and ceramic articles produced thereby |
| CN101417193A (en) * | 2008-11-07 | 2009-04-29 | 江苏正本净化节水科技实业有限公司 | Nano crystallite composite filter material and supplement of manufacture method thereof |
| CN101898115A (en) * | 2009-05-25 | 2010-12-01 | 周奇迪 | Filter medium, preparation method thereof, filter element and water purification device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104437583A (en) * | 2014-11-27 | 2015-03-25 | 佛山市鼎元纳米环保科技有限公司 | Air purifier of nano air catalyst and preparation method of air purifier of nano air catalyst |
| CN105964055A (en) * | 2016-06-24 | 2016-09-28 | 马鞍山市顺达环保设备有限公司 | Filter material for industrial dedusting device and preparation method of filter material |
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| CN103521001B (en) | 2016-02-24 |
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