CN101168479A - Method for preparing ultra-fine inorganic fibre by using industrial solid castoff - Google Patents
Method for preparing ultra-fine inorganic fibre by using industrial solid castoff Download PDFInfo
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- CN101168479A CN101168479A CNA2007100188326A CN200710018832A CN101168479A CN 101168479 A CN101168479 A CN 101168479A CN A2007100188326 A CNA2007100188326 A CN A2007100188326A CN 200710018832 A CN200710018832 A CN 200710018832A CN 101168479 A CN101168479 A CN 101168479A
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Abstract
The invention relates to a process for preparing ultra-fine inorganic fiber by using industrial solid waste to, which proportions industrial solid wastes as high-temperature furnace slag, ore-dressing and coal-dressing slag, Si:Al:Ca elements in power-plant fuel and waste-gas desulfurized slag, to be grinds and granulated, smelted and converted in a high-temperature furnace to obtain ultra-fine inorganic fiber, and uses ion alumino-zirconum acid ester soften modifier to process surface modification on the ultra-fine inorganic fiber, to improve fiber flexibility, change surface charge property, and improve the affinity between inorganic fiber and plant fiber or organism, therefore, the fiber can be used as succedaneum in various fields as fiber material in paper making, novel thermal-insulation, cold-storage, sound-adsorption, and fireproof light construction material, base material of city greening and agriculture water holding, stuff of plastic industry, and modifying pitch strengthen stuff of high way or the like. The invention can fully utilize industrial solid waste and reduce environment pollution.
Description
Technical field
The present invention relates to a kind of preparation method of ultra-fine inorganic fibre, be specifically related to a kind of method of utilizing industrial solid castoff to prepare ultra-fine inorganic fibre.
Background technology
Along with industrial fast development, the quantity discharged of China's industrial solid castoff increases day by day, is that the industrial solid castoff volume of cargo in storage of representative is increasing with various slags, mine tailing, coal gangue, flyash particularly.At present, the annual production of China's industrial solid castoff has reached 800,000,000 tons, and the accumulative total volume of cargo in storage is above 6,700,000,000 tons.This type of industrial solid castoff except that small part as roadbed and the cement baking, most of air storage.According to estimates, national industrial solid castoff is stored up and is covered an area of more than 100 ten thousand mu, and wherein the farmland is about 100,000 mu.Store up in the waste ground of city industrial area and river shoal without the industrial solid castoff of disposing, wind and weather becomes serious source of pollution, and the Solid Waste Pollution problem has become one of important environmental problem of China.People have carried out many-sided research to making full use of industrial solid castoff.
Summary of the invention
The object of the present invention is to provide a kind of make full use of industrial solid castoff, minimizing environmental pollution, the industrial solid castoff that utilizes of turning waste into wealth is produced the method for ultra-fine inorganic fibre.
For achieving the above object, the technical solution used in the present invention is: at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 19～26: 15～22: 8～12, then it is crushed to the particle that particle diameter is 5-20 μ m; Particle after pulverizing is added in the high melt converter,, adopt two eddy current dusting machines that fusion process is carried out dedusting, desulfurization in～1600 degree fusions of 1500 degree; Raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, and making diameter is that 0.01～0.05mm, length are the ultra-fine inorganic fibre of 0.8～8mm; The softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 0.8%～1.5% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre and gets final product.
The present invention passes through industrial solid castoff such as high temperature furnace slag, ore dressing, the coal separation waste residue, Power Plant Fuel, Si in the waste-gas desulfurization waste residue: Al: the Ca element carries out grinding granulation behind the rational proportion, the High Temperature Furnaces Heating Apparatus melting transforms, make ultra-fine inorganic fibre, again the ultra-fine inorganic fibre that makes is utilized the softening properties-correcting agent of ionic aluminium zirconate to carry out surface modification treatment, improved the flexibility of fiber, changed surface charge, strengthen inorganic fibre and vegetable fibre or organic avidity, thereby can be used as the substitute of various fields material therefor, as raw material of papermaking fiber, novel heat insulation, cold-storage, sound-absorbing, the fire-proof light material of construction, and be used for urban afforestation, the base material of agricultural water conservation, the plastic industry filler, Expressway Modified Bitumen reinforcing filler etc.The present invention makes full use of industrial solid castoff, has reduced environmental pollution.
Embodiment
Embodiment 1: at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 19: 20: 12, then it is crushed to the particle that particle diameter is 5-20 μ m; Particle after pulverizing is added in the high melt converter, in～1600 degree fusions of 1500 degree, adopt two eddy current dusting machines that fusion process is carried out dedusting, desulfurization, its efficiency of dust collection is more than 95%, desulfuration efficiency can satisfy project smoke pollution control requirement more than 80%; Raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, and making diameter is that 0.02mm, length are the ultra-fine inorganic fibre of 5mm; The softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 0.8% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre, to improve the flexibility of fiber, change surface charge, strengthen inorganic fibre and vegetable fibre or organic avidity, with guarantee this inorganic fibre as the substitute of various fields material therefor the time and the substrate material of getting along good consistency and dispersiveness are arranged.
Embodiment 2: at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 23: 17: 10, then it is crushed to the particle that particle diameter is 5-20 μ m; Particle after pulverizing is added in the high melt converter,, adopt two eddy current dusting machines that fusion process is carried out dedusting, desulfurization in～1600 degree fusions of 1500 degree; Raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, and making diameter is that 0.04mm, length are the ultra-fine inorganic fibre of 8mm; The softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 1.2% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre and gets final product.
Embodiment 3: at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 26: 22: 8, then it is crushed to the particle that particle diameter is 5-20 μ m; Particle after pulverizing is added in the high melt converter,, adopt two eddy current dusting machines that fusion process is carried out dedusting, desulfurization in～1600 degree fusions of 1500 degree; Raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, and making diameter is that 0.01mm, length are the ultra-fine inorganic fibre of 2mm; The softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 1.0% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre and gets final product.
Embodiment 4: at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 20: 19: 11, then it is crushed to the particle that particle diameter is 5-20 μ m; Particle after pulverizing is added in the high melt converter,, adopt two eddy current dusting machines that fusion process is carried out dedusting, desulfurization in～1600 degree fusions of 1500 degree; Raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, and making diameter is that 0.05mm, length are the ultra-fine inorganic fibre of 0.8mm; The softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 1.5% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre and gets final product.
Embodiment 5: at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 24: 15: 9, then it is crushed to the particle that particle diameter is 5-20 μ m; Particle after pulverizing is added in the high melt converter,, adopt two eddy current dusting machines that fusion process is carried out dedusting, desulfurization in～1600 degree fusions of 1500 degree; Raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, and making diameter is that 0.03mm, length are the ultra-fine inorganic fibre of 3mm; The softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 1.3% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre and gets final product.
Embodiment 6: at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 25: 21: 12, then it is crushed to the particle that particle diameter is 5-20 μ m; Particle after pulverizing is added in the high melt converter,, adopt two eddy current dusting machines that fusion process is carried out dedusting, desulfurization in～1600 degree fusions of 1500 degree; Raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, and making diameter is that 0.02mm, length are the ultra-fine inorganic fibre of 7mm; The softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 0.9% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre and gets final product.
The ultra-fine inorganic fibre that makes according to preparation method of the present invention can be used as the substitute of various fields material therefor, as raw material of papermaking fiber, novel heat insulation, cold-storage, sound-absorbing, fire-proof light material of construction, and the base material that is used for urban afforestation, agriculture water conservation, the plastic industry filler, Expressway Modified Bitumen reinforcing filler etc.
Claims (7)
1. utilize industrial solid castoff to produce the method for ultra-fine inorganic fibre, it is characterized in that:
1) at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 19～26: 15～22: 8～12, then it is crushed to the particle that particle diameter is 5-20 μ m;
2) particle after will pulverizing adds in the high melt converter, in～1600 degree fusions of 1500 degree, adopts two eddy current dusting machines that fusion process is carried out dedusting, desulfurization;
3) raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, making diameter is that 0.01～0.05mm, length are the ultra-fine inorganic fibre of 0.8～8mm;
4) the softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 0.8%～1.5% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre and gets final product.
2. the method for utilizing industrial solid castoff to produce ultra-fine inorganic fibre according to claim 1, it is characterized in that: at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 19: 20: 12, then it is crushed to the particle that particle diameter is 5-20 μ m; Particle after pulverizing is added in the high melt converter, in～1600 degree fusions of 1500 degree, adopt two eddy current dusting machines that fusion process is carried out dedusting, desulfurization, its efficiency of dust collection is more than 95%, desulfuration efficiency can satisfy project smoke pollution control requirement more than 80%; Raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, and making diameter is that 0.02mm, length are the ultra-fine inorganic fibre of 5mm; The softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 0.8% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre, to improve the flexibility of fiber, change surface charge, strengthen inorganic fibre and vegetable fibre or organic avidity, with guarantee this inorganic fibre as the substitute of various fields material therefor the time and the substrate material of getting along good consistency and dispersiveness are arranged.
3. the method for utilizing industrial solid castoff to produce ultra-fine inorganic fibre according to claim 1, it is characterized in that: at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 23: 17: 10, then it is crushed to the particle that particle diameter is 5-20 μ m; Particle after pulverizing is added in the high melt converter,, adopt two eddy current dusting machines that fusion process is carried out dedusting, desulfurization in～1600 degree fusions of 1500 degree; Raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, and making diameter is that 0.04mm, length are the ultra-fine inorganic fibre of 8mm; The softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 1.2% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre and gets final product.
4. the method for utilizing industrial solid castoff to produce ultra-fine inorganic fibre according to claim 1, it is characterized in that: at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 26: 22: 8, then it is crushed to the particle that particle diameter is 5-20 μ m; Particle after pulverizing is added in the high melt converter,, adopt two eddy current dusting machines that fusion process is carried out dedusting, desulfurization in～1600 degree fusions of 1500 degree; Raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, and making diameter is that 0.01mm, length are the ultra-fine inorganic fibre of 2mm; The softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 1.0% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre and gets final product.
5. the method for utilizing industrial solid castoff to produce ultra-fine inorganic fibre according to claim 1, it is characterized in that: at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 20: 19: 11, then it is crushed to the particle that particle diameter is 5-20 μ m; Particle after pulverizing is added in the high melt converter,, adopt two eddy current dusting machines that fusion process is carried out dedusting, desulfurization in～1600 degree fusions of 1500 degree; Raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, and making diameter is that 0.05mm, length are the ultra-fine inorganic fibre of 0.8mm; The softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 1.5% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre and gets final product.
6. the method for utilizing industrial solid castoff to produce ultra-fine inorganic fibre according to claim 1, it is characterized in that: at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 24: 15: 9, then it is crushed to the particle that particle diameter is 5-20 μ m; Particle after pulverizing is added in the high melt converter,, adopt two eddy current dusting machines that fusion process is carried out dedusting, desulfurization in～1600 degree fusions of 1500 degree; Raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, and making diameter is that 0.03mm, length are the ultra-fine inorganic fibre of 3mm; The softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 1.3% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre and gets final product.
7. the method for utilizing industrial solid castoff to produce ultra-fine inorganic fibre according to claim 1, it is characterized in that: at first with Si in the industrial solid castoff: Al: the mass content of Ca element is adjusted into 25: 21: 12, then it is crushed to the particle that particle diameter is 5-20 μ m; Particle after pulverizing is added in the high melt converter,, adopt two eddy current dusting machines that fusion process is carried out dedusting, desulfurization in～1600 degree fusions of 1500 degree; Raw material melted is separated by rapid-result fine equipment of centrifugal height and slag ball, and making diameter is that 0.02mm, length are the ultra-fine inorganic fibre of 7mm; The softening properties-correcting agent of ionic aluminium zirconate that adds fiber quality 0.9% in the ultra-fine inorganic fibre that makes carries out surface modification treatment by dry method or wet method to ultra-fine inorganic fibre and gets final product.
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| CN200710018832A CN100584791C (en) | 2007-10-09 | 2007-10-09 | Method for preparing ultra-fine inorganic fibre by using industrial solid castoff |
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| CN101168479A true CN101168479A (en) | 2008-04-30 |
| CN100584791C CN100584791C (en) | 2010-01-27 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811037A (en) * | 2010-04-26 | 2010-08-25 | 陕西科技大学 | Preparation method of high titanium slag TiO2 photocatalysed superfine fiber |
| CN102586947A (en) * | 2012-03-09 | 2012-07-18 | 鹤壁维洁节能材料研究院 | Method for producing inorganic fiber for papermaking by means of alkali recovery lime sludge of paper mill |
| CN104003613A (en) * | 2012-08-06 | 2014-08-27 | 上海榕新实业有限公司 | Method for manufacturing inorganic fiber by means of municipal sludge and smelt slag |
| CN104179858A (en) * | 2014-07-29 | 2014-12-03 | 济源市金港特纤科技有限公司 | Brake pad enhanced with smelting slag and fly ash inorganic fibers as well as preparation method of brake pad |
| CN110079894A (en) * | 2019-04-22 | 2019-08-02 | 李科 | A kind of process for extracting fiber using greasy filth |
| CN110670170A (en) * | 2019-09-11 | 2020-01-10 | 三河市纳诺科斯机电产品制造有限公司 | Process for preparing inorganic fibers by recycling circuit board powder and hazardous wastes |
-
2007
- 2007-10-09 CN CN200710018832A patent/CN100584791C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811037A (en) * | 2010-04-26 | 2010-08-25 | 陕西科技大学 | Preparation method of high titanium slag TiO2 photocatalysed superfine fiber |
| CN101811037B (en) * | 2010-04-26 | 2012-05-09 | 陕西科技大学 | Preparation method of high titanium slag TiO2 photocatalysed superfine fiber |
| CN102586947A (en) * | 2012-03-09 | 2012-07-18 | 鹤壁维洁节能材料研究院 | Method for producing inorganic fiber for papermaking by means of alkali recovery lime sludge of paper mill |
| CN104003613A (en) * | 2012-08-06 | 2014-08-27 | 上海榕新实业有限公司 | Method for manufacturing inorganic fiber by means of municipal sludge and smelt slag |
| CN104179858A (en) * | 2014-07-29 | 2014-12-03 | 济源市金港特纤科技有限公司 | Brake pad enhanced with smelting slag and fly ash inorganic fibers as well as preparation method of brake pad |
| CN110079894A (en) * | 2019-04-22 | 2019-08-02 | 李科 | A kind of process for extracting fiber using greasy filth |
| CN110670170A (en) * | 2019-09-11 | 2020-01-10 | 三河市纳诺科斯机电产品制造有限公司 | Process for preparing inorganic fibers by recycling circuit board powder and hazardous wastes |
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| CN100584791C (en) | 2010-01-27 |
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