CN106987927B - A kind of carbon fiber-Blast Furnace Ore slag wool and preparation method thereof - Google Patents
A kind of carbon fiber-Blast Furnace Ore slag wool and preparation method thereof Download PDFInfo
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- CN106987927B CN106987927B CN201710280483.9A CN201710280483A CN106987927B CN 106987927 B CN106987927 B CN 106987927B CN 201710280483 A CN201710280483 A CN 201710280483A CN 106987927 B CN106987927 B CN 106987927B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention discloses a kind of carbon fiber-Blast Furnace Ore slag wool, using melting blast-furnace cinder as the thermal medium of production carbon fiber, realize the effective use of blast-furnace cinder sensible heat, reduce the production cost of carbon fiber, during the preparation process in order to improve the yield of carbon fiber, it is pre-oxidized again after being pre-processed using surface treating agent to precursor fiber, precursor fiber formation is effectively protected, while in order to improve the carbonation rate of fiber, after carrying out modifier treatment to melted gangue using adjusting material, low-temperature carbonization processing is carried out to the pre- oxysome of precursor fiber under nitrogen atmosphere, it finally heats up again and carries out high temperature cabonization processing, obtain the carbon fiber with higher yields, it is more stronger than traditional slag fibre cotton in mechanical property with cellucotton made of slag mixed fiber, in electricity, magnetic, heat etc. also has unique performance, application range is more wide , the high-valued application of mineral wool is realized, the Effective Doping of carbon fiber is realized.
Description
Technical field
The present invention relates to blast-furnace cinder applied technical fields, and in particular to a kind of carbon fiber-Blast Furnace Ore slag wool and its preparation
Method.
Background technique
Carbon fiber as a kind of new inorganic material, have high specific strength, high ratio modulus, acidproof, high temperature resistant, endurance,
A series of excellent performances such as anti-radiation, conductive, thermally conductive, damping, noise reduction, are a kind of high-performance, the reinforcing fiber of high economic value,
It is widely used in advanced composite material.The preparation process of carbon fiber mainly prepares spinning solution, spinning, pre-oxidation, height
Several steps such as temperature carbonization, wherein thousands of degree of the temperature during high temperature cabonization, it is also necessary to the protection of inert gas, in practical life
Equipment manufacturing cost and energy consumption are high during production, and restrict the factor of carbon fiber mass production.
Slag wool fiber is that through remelting, at cotton-like fiber made of fibre, have that bulk density is small, leads using slag as raw material
Hot coefficient is low, sound absorbing performance is good, it is non-ignitable, heat-resisting, freeze proof, corrosion-resistant, be not afraid of the characteristics such as damage by worms, is cheap, building at present
Be used as heat preservation, heat-insulated, sound absorption, packing material in the fields such as industry extensively, added value is low, leads to excess capacity, economical to imitate
Beneficial offset sharper slowdowns, urgent need further improve its performance, and widen use scope.Cold slag is mostly used in the process of traditional mode of production mineral wool
Secondary fusion technology, energy consumption is very big, does not make full use of liquid slag sensible heat.
Summary of the invention
The present invention is directed to make full use of the sensible heat of blast-furnace cinder, and improve the comprehensive performance of mineral wool, a kind of carbon fiber is provided
Dimension-Blast Furnace Ore slag wool and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of carbon fiber-Blast Furnace Ore slag wool, the carbon fiber containing 0.1-10% in the Blast Furnace Ore slag wool.
A kind of preparation method of the blast-furnace cinder-carbon fiber cotton, comprising the following steps:
(1) the pre- oxysome of carbon series fiber precursor fiber is prepared:
Carbon series fiber precursor fiber is immersed in surface treating agent and is sent into pre-oxidation furnace after modification 5-10min,
Under the conditions of 150-300 DEG C pre-oxidation treatment 20-35min to get；
(2) blast-furnace cinder is quenched:
The melted gangue generated in smelting process is introduced directly into hardening and tempering furnace, adjusting material, modifier treatment 30- is added
50min；
(3) mixing is at fibre:
Step (2) resulting material is conveyed into rotary kiln furnace, nitrogen is passed through, temperature is controlled at 500-800 DEG C, reaches setting
It is fed from the feed inlet the pre- oxysome of carbon series fiber precursor fiber after temperature, is warming up to 1100-1500 DEG C after being stirred to react 10-15min,
Continue to be stirred to react 1-5min after reaching set temperature, melt is then introduced into wire drawing in four-roller centrifuge, the fiber of formation exists
The effect of air blower sum aggregate cotton air-introduced machine is lower to enter expansion chamber, finally by the mineral wool being collected into through compression forming, be packed and stored after i.e.
?.
Carbon series fiber precursor fiber in the step (1) is polyacrylonitrile fibre.
Surface treating agent in the step (1) is by 1-5% triethanolamine, 10-20% polyether modified silicon oil, surplus
Water is formulated.
Adjusting material in the step (2) is formulated for aluminium ash, iron tailings according to the parts by weight of 1:5.
The weight ratio of the pre- oxysome of carbon series fiber precursor fiber and melted gangue is 1:5-10.
The present invention realizes the effective of blast-furnace cinder sensible heat using melting blast-furnace cinder as the thermal medium of production carbon fiber
It utilizes, reduces the production cost of carbon fiber, during the preparation process in order to improve the yield of carbon fiber, utilize surface treating agent pair
Precursor fiber pre-oxidizes again after being pre-processed, and precursor fiber formation is effectively protected, while in order to improve the carbonization of fiber
Rate after carrying out modifier treatment to melted gangue using adjusting material, carries out cryogenic carbon to the pre- oxysome of precursor fiber under nitrogen atmosphere
Change processing, finally heats up and carries out high temperature cabonization processing, obtain the carbon fiber with higher yields, again with slag mixed fiber
Manufactured cellucotton is more stronger than traditional slag fibre cotton in mechanical property, electricity, magnetic, in terms of also have unique performance,
Application range is more wide, realizes the high-valued application of mineral wool.
Specific embodiment
Embodiment 1
A kind of carbon fiber Blast Furnace Ore slag wool, in the Blast Furnace Ore slag wool containing 0.1% carbon fiber.
The preparation method of the blast-furnace cinder carbon fiber cotton the following steps are included:
(1) the pre- oxysome of carbon series fiber precursor fiber is prepared:
Polyacrylonitrile fibre is immersed in surface treating agent and is sent into pre-oxidation furnace after modification 5min, in 150 DEG C of items
Under part pre-oxidation treatment 20min to get；
(2) blast-furnace cinder is quenched:
The melted gangue generated in smelting process is introduced directly into hardening and tempering furnace, adjusting material, modifier treatment 30min is added；
(3) mixing is at fibre:
Step (2) resulting material is conveyed into rotary kiln furnace, nitrogen is passed through, temperature is controlled at 500 DEG C, reaches set temperature
After be fed from the feed inlet the pre- oxysome of polyacrylonitrile fibre, be warming up to 1100 DEG C after being stirred to react 15min, it is subsequent to reach set temperature
It is continuous to be stirred to react 1min, melt is then introduced into wire drawing in four-roller centrifuge, the fiber of formation is in air blower sum aggregate cotton air-introduced machine
Effect is lower to enter expansion chamber, finally by the mineral wool being collected into through compression forming, be packed and stored after to obtain the final product.
Wherein the surface treating agent in step (1) is prepared by the water of 1% triethanolamine, 10% polyether modified silicon oil, surplus
It forms.
Wherein the adjusting material in step (2) is formulated for aluminium ash, iron tailings according to the parts by weight of 1:5.
The weight ratio of the pre- oxysome of polyacrylonitrile fibre and melted gangue is 1:10 in raw material.
Embodiment 2
A kind of carbon fiber Blast Furnace Ore slag wool, in the Blast Furnace Ore slag wool containing 10% carbon fiber.
The preparation method of the blast-furnace cinder carbon fiber cotton the following steps are included:
(1) the pre- oxysome of carbon series fiber precursor fiber is prepared:
Polyacrylonitrile fibre is immersed in surface treating agent and is sent into pre-oxidation furnace after modification 10min, in 150 DEG C of items
Under part pre-oxidation treatment 20min to get；
(2) blast-furnace cinder is quenched:
The melted gangue generated in smelting process is introduced directly into hardening and tempering furnace, adjusting material, modifier treatment 30min is added；
(3) mixing is at fibre:
Step (2) resulting material is conveyed into rotary kiln furnace, nitrogen is passed through, temperature is controlled at 500 DEG C, reaches set temperature
After be fed from the feed inlet the pre- oxysome of polyacrylonitrile fibre, be warming up to 1500 DEG C after being stirred to react 10min, it is subsequent to reach set temperature
It is continuous to be stirred to react 1min, melt is then introduced into wire drawing in four-roller centrifuge, the fiber of formation is in air blower sum aggregate cotton air-introduced machine
Effect is lower to enter expansion chamber, finally by the mineral wool being collected into through compression forming, be packed and stored after to obtain the final product.
Wherein the surface treating agent in step (1) is prepared by the water of 1% triethanolamine, 10% polyether modified silicon oil, surplus
It forms.
Wherein the adjusting material in step (2) is formulated for aluminium ash, iron tailings according to the parts by weight of 1:5.
The weight ratio of the pre- oxysome of polyacrylonitrile fibre and melted gangue is 1:5 in raw material.
Claims (1)
1. a kind of carbon fiber-Blast Furnace Ore slag wool, which is characterized in that the carbon fiber containing 0.1-10% in the Blast Furnace Ore slag wool；
A kind of preparation method of the blast-furnace cinder-carbon fiber cotton, comprising the following steps:
(1) the pre- oxysome of carbon series fiber precursor fiber is prepared:
Carbon series fiber precursor fiber is immersed in surface treating agent and is sent into pre-oxidation furnace after modification 5-10min, in 150-
Under the conditions of 300 DEG C pre-oxidation treatment 20-35min to get；
(2) blast-furnace cinder is quenched:
The melted gangue generated in smelting process is introduced directly into hardening and tempering furnace, adjusting material, modifier treatment 30-50min is added；
(3) mixing is at fibre:
Step (2) resulting material is conveyed into rotary kiln furnace, nitrogen is passed through, temperature is controlled at 500-800 DEG C, reaches set temperature
After be fed from the feed inlet the pre- oxysome of carbon series fiber precursor fiber, be warming up to 1100-1500 DEG C after being stirred to react 10-15min, reach
Continue to be stirred to react 1-5min after set temperature, melt is then introduced into wire drawing in four-roller centrifuge, the fiber of formation is in air blast
The effect of machine sum aggregate cotton air-introduced machine is lower to enter expansion chamber, finally by the mineral wool being collected into through compression forming, be packed and stored after to obtain the final product；
Carbon series fiber precursor fiber in the step (1) is polyacrylonitrile fibre；
Surface treating agent in the step (1) is matched by the water of 1-5% triethanolamine, 10-20% polyether modified silicon oil, surplus
It makes；
Adjusting material in the step (2) is formulated for aluminium ash, iron tailings according to the parts by weight of 1:5；
The weight ratio of the pre- oxysome of carbon series fiber precursor fiber and melted gangue is 1:5-10.
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| CN201710280483.9A CN106987927B (en) | 2017-04-26 | 2017-04-26 | A kind of carbon fiber-Blast Furnace Ore slag wool and preparation method thereof |
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| CN201710280483.9A CN106987927B (en) | 2017-04-26 | 2017-04-26 | A kind of carbon fiber-Blast Furnace Ore slag wool and preparation method thereof |
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| CN106987927B true CN106987927B (en) | 2019-08-02 |
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| CN101666137A (en) * | 2009-07-30 | 2010-03-10 | 华东交通大学 | Hybrid fabric grid made from carbon fiber and basalt fiber |
| EP3255299A1 (en) * | 2009-12-17 | 2017-12-13 | Schaeffler Technologies GmbH & Co. KG | Friction element for synchronizing device |
| CN102211861A (en) * | 2011-05-06 | 2011-10-12 | 德清县延炜耐火材料厂 | Production method of centrifugal super filament mineral cotton |
| CN203097179U (en) * | 2013-01-31 | 2013-07-31 | 北新集团建材股份有限公司 | Laminating compound mineral wool board |
| CN104073955B (en) * | 2014-06-09 | 2015-09-30 | 四川航天五源复合材料有限公司 | A kind of protective clothing |
| CN104529147A (en) * | 2014-12-28 | 2015-04-22 | 江西自立环保科技有限公司 | Method for producing mineral wool fiber by using high-temperature liquid waste slags of metallurgical furnace as raw material |
| CN105541117A (en) * | 2015-12-08 | 2016-05-04 | 山东阳光岩棉科技有限公司 | Rock wool and method for manufacturing and producing same |
| CN105837101A (en) * | 2016-03-25 | 2016-08-10 | 东南大学 | Continuous carbon fiber fabric reinforced alkali-activated slag mortar board and preparation method thereof |
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