CN102786220A - Production method for ultrafine continuous basalt fibers - Google Patents
Production method for ultrafine continuous basalt fibers Download PDFInfo
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- CN102786220A CN102786220A CN2012102799325A CN201210279932A CN102786220A CN 102786220 A CN102786220 A CN 102786220A CN 2012102799325 A CN2012102799325 A CN 2012102799325A CN 201210279932 A CN201210279932 A CN 201210279932A CN 102786220 A CN102786220 A CN 102786220A
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Abstract
The invention provides a production method for an ultrafine continuous basalt fiber. The method includes the following steps: basalt ores are broken up, crushed and sieved, iron is removed from the basalt material powder, the material is washed and mixed with flux, the mixture is then melted in a tank furnace, clarified, homogenized, soaked and drawn, and finally, the ultrafine continuous basalt fiber is obtained. The ultrafine continuous basalt fiber provided by the invention has the characteristics of small monofilament diameter, excellent performance index, high finished product rate, low production cost and the like.
Description
Technical field
The present invention provides a kind of working method of basalt fibre, particularly relates to a kind of working method of ultra-fine basalt continuous filament.
Background technology
Irish touchstone is that a kind of underground magma sprays or from crack, the face of land, overflow the volcanic rock that condenses and form from the volcano.Basaltic staple is sodium silicoaluminate or ca aluminosilicate, and the content of silicon-dioxide approximately is 45-52%, also contains higher red stone and Natural manganese dioxide, is the fine and close black rock of a kind of particulate.Owing to produce a large amount of pores during eruption, be macropore such as amygdaloidal structure sometimes, middle afterwards often by other mineral-filled.The viscosity of Irish touchstone magma is little, is easy to flow, and forms very big tectum, often forms vast lava plateau, so it is very wide to distribute.
Irish touchstone can be divided into tholeiitic basalt, alkaline basalt, high-alumina basalt according to its composition difference; Can be divided into pore shape Irish touchstone, amygdaloidal basalt, wichtisite by its structure difference; Can be divided into olivine basalt, hypersthene Irish touchstone etc. by its filling mineral difference.Not having Weathered Irish touchstone is black or serpentinous dense rock; The back produces the hexagonal joint because it condenses, and is formed hexagonal columnar after the weathering, and weathering severity can form filemot basalt wacke; If advance one one, remove silicon-dioxide and form bauxite by the rainwater leaching.Also be filled with mineral such as copper, cobalt, sulphur in the Irish touchstone pore that has.
Irish touchstone is a kind of of base property extrusive rock.Composition is equivalent to graniton.Grey black.Normal tool pore shape, amygdaloidal structure and porphyritic texture.Phenocryst is peridotites, pyroxene, base property feldspar etc.; Matrix is generally particulate or phanerocrystalline-adiagnostic.Difference by less important mineral can be divided into olivine basalt, hypersthene Irish touchstone etc.; Press structure construction, can be divided into pore shape Irish touchstone, amygdaloidal basalt etc.; According to chemical composition and mineralogical composition, can be divided into high-alumina basalt, alkaline basalt and tholeiitic basalt etc.Because basaltic magma viscosity is little, mobile big, the face of land of spraying and spoiling over is prone to form extensive lava flow and lava quilt, is layered instrusion but also have, like sill etc.Often form area in the highlands and reach thousands of lava plateaus to hundreds thousand of sq-kms, the someone is called plateau basalt, like the Deccan plateau basalt of India.Then constitute submarine ridge and crater island in the ocean.Relevant with it mineral products have copper, cobalt, Sulfur, optical calcite, jewel etc., and itself also can make acidproof cast stone raw material.
Basalt continuous fiber comes across mid-term in last century as a kind of new green environment protection raw material.From the seventies, the scientist of the U.S. and Germany has successively carried out a large amount of probing into to Preparation of continuous basalt fiber, but the realization production that fails.Ukraine building material industry portion and the sci-tech research production community that sets up then, through the exploration of decades, successful having developed basalt fibre and realized suitability for industrialized production in 1985, the basalt fibre diameter was 13um finally.Up to now, grind through the meticulous spy of brainstrust, the diameter of basalt fibre can reach 7um with about.
The basalt fibre chemical stabilization has good acidproof, alkali resistance, and the use temperature scope is big, and mechanical property is strong, and is nontoxic, nonflammable.And having excellent physical and mechanical properties, tensile strength, Young's modulus and extension at break are all bigger.Fully can the instead of glass fiber in some Application Areass, thomel, high silica fiber, ceramic fiber, aramid fiber and other man-made fiber etc. serve as the enhancing body of matrix material.
Through the unremitting tackling key problem in more than 20 years of multinational expert, the manufacture craft of basalt fibre is greatly improved at present, but still some problem below existing:
1. the cost of whole process of production needs is higher.
Owing to do not find suitable body of heater material, cause converter life short, unit cost improves.Also be reason, as be incubated well-donely that converter life just shortens, and wants to prolong converter life and just dare not body of heater be done very good thermal insulation layer, cause in the process of heating power consumption too high because of the body of heater material.
2. the performance of basalt fibre can not satisfy the demand of specific working condition.
Basaltic chemical ingredients is stable basically, because Fibre diameter has determined the certain physical performance, so must basaltic melting condition be changed, just in its ore, adds other composition.
3. the wire-drawing operation in the production process is unstable
Present some domestic basalt fibre manufacturing enterprises; Operation is unstable in the ubiquity fiberizing process aborning, becomes fine irregular, number number percentage of variation problem rambunctious; Mainly be because stove is in melting the process of rock; Distribution of electrodes is irregular, and electric current is irregular, causes melting the irregular institute of melt and causes.
4. the life-span of fiber drawing furnace, bushing weak point yields poorly
The melt temperature of basalt fibre in melting process spent than common glass high more than 200, and the existence of a lot of metallic irons is arranged in the rock, also has the continuous volatilization of a lot of oxide compounds, and body of heater and bushing are had great damage, causes the havoc to both.This shows that the working method of above-mentioned existing basalt continuous fiber obviously still has inconvenience and defective, and demands urgently further improving.
Summary of the invention
The objective of the invention is to; Overcome the defective of the working method existence of existing basalt continuous fiber; And a kind of preparation method of new ultra-fine basalt continuous filament is provided; Technical problem to be solved is to reduce the production cost of basalt continuous fiber, thereby is suitable for practicality more, and has the utility value on the industry.Another object of the present invention is to, a kind of working method of ultra-fine basalt continuous filament is provided, technical problem to be solved is to make the basalt continuous fiber of production have excellent weathering resistance and folding quality, thereby is suitable for practicality more.
A purpose more of the present invention is, a kind of working method of ultra-fine basalt continuous filament is provided, and technical problem to be solved is that the diameter of the basalt continuous fiber produced is thinner, thereby is suitable for practicality more.
An also purpose of the present invention is that a kind of working method of ultra-fine basalt continuous filament is provided, and technical problem to be solved is to make having the longer life-span of using in the production, makes it satisfy industrial production requirement, thereby is suitable for practicality more.
The object of the invention and solve its technical problem and adopt following technical scheme to realize.
A kind of working method of ultra-fine basalt continuous filament may further comprise the steps:
(1) the Irish touchstone ore is broken, be ground into the fritter afterwash of diameter less than 1mm, be finish-ground to 45-55 purpose powder;
(2) the Irish touchstone powder after will pulverizing carries out deironing with mineral acid, and the solubility of acid solution is 5wt%-10wt%, and the temperature of reaction of deironing is 65 ℃-70 ℃;
(3) raw material after the cleaning deironing mixes raw material with solubility promoter;
(4) with the fusing in tank furnace of mixed raw material, infiltration and wire drawing;
(5) precursor is moved back separate and twist with the fingers.
Said mineral acid is hydrochloric acid, sulfuric acid, nitric acid and/or phosphoric acid.
Also comprise the steps: between said step (3) and the step (4) in raw materials mixed, to add the additive that accounts for mixing raw material gross weight 0.1-15wt%, said additive is one or more in konilite, alabaster, kaolin, Wingdale, rhombspar, soda ash, szaibelyite, fluorite and/or the potassium oxide.
Tank furnace described in the step (4) can adopt the beautiful refractory materials of zirconium steel to make body of heater.
Pool kiln wiredrawing mainly is made up of three parts described in the step (4): melting end, and fining end, homework department is produced by the several piece bushing simultaneously.
The platinum barricade is housed between said melting end and the fining end.
Wire drawing described in the step (4) is to adopt the wire drawing of platinum bushing.
Said platinum bushing is tapered.
The present invention compared with prior art has tangible advantage and beneficial effect, and the difference of other working methods:
1, the arrangement of electrodes that adopts the large vol tank furnace method mode of production, more rational Proper Design and more optimize.
2, tank furnace adopts the beautiful refractory materials of zirconium steel to make body of heater, thus the work-ing life of having improved body of heater.
3, use platinum electrode, thereby avoided the anodizing problem to take place, improved electrical efficiency.
4, the tank furnace platinum that uses is done barricade, and this barricade both can use as electrode, but again homogenizing each melt the temperature of chamber, make temperature control have more ladder property.
5, the chemistry of process using filter drop method has been removed the ferro element in the ore, and both clean raw material has extracted some precious metals again.
6, the present invention has added additive in raw material, described additive comprise Irish touchstone ore, konilite, alabaster, kaolin, Wingdale, rhombspar, soda ash, szaibelyite, fluorite, potassium oxide etc. one or more.
7, the material of the bushing among the present invention and design shape, the different designs of leting slip a remark make that drawing process of the present invention is more stable.
In sum, the working method of ultra-fine basalt continuous filament of the present invention has advantage:
1, cost is low
The production cost of ultra-fine basalt continuous filament of the present invention can be controlled at 4000-6000 per ton yuan, and the cost of the fiber of producing than present employing other technologies is low at least more than 50%.This is because the present invention has adopted following technology, thereby has significantly reduced cost:
(1) design of employing large vol crucible makes the rock of disposable fusing reach maximum saturation capacity.And jumbo tank furnace working method can be strengthened Irish touchstone material solution time, better with the fused solution homogenizing, thereby realizes the homogenizing of mixture, and the melt of best control basalt continuous fiber is provided for wire-drawing shape.
(2) adopt the platinum electrode heating, help the rapid conduction of heat, and can reduce the feed rate of electric current as far as possible, reach the purpose of economize on electricity.
(3) entire body adopts zircon corundum brick to build stove, and the local barricade that adopts platinum as body of heater has significantly improved converter life, thereby has reached the purpose that reduces product cost.
(4) because the present invention has adopted high temperature resistant, corrosion-resistant, the anti-body of heater material that washes away, make body of heater power of the present invention significantly reduce, thereby saved the energy, reduced cost.
2, the ultra-fine basalt continuous filament of present method production has excellent weathering resistance and folding quality
Because the present invention will common Irish touchstone ore adds other and helps to melt and becomes the ore of fibre to melt together, has both solved the difficult problem of fusion, has further improved the problem of fibre property again.Therefore, its folding resistance of fiber that the present invention produces is 5.5 times of parabasalt continuous fibre, and acid-fast alkali-proof property has improved 2.5 times respectively.
3, the monofilament fineness of ultra-fine basalt continuous filament of the present invention (diameter) is lower than 5um
The present invention has adopted chemical process that raw material is screened, and makes raw material purer, is easier to fusing, thereby makes melt more even, makes fibre-forming performance be more prone to, and then makes that drawing out thinner fiber becomes possibility.
4, the converter life of tank furnace of the present invention prolongs
The body of heater material that the present invention adopts is different, and Proper Design is science more, and heat-insulating property is better, makes converter life can improve 1.5-3, thereby has reduced the cost input.
Based on above advantage, the working method of the ultra-fine basalt continuous filament that the present invention proposes can really reach the production of industrial mass, makes the industriallization volume production of basalt fibre become possibility.
In sum; The working method of the ultra-fine basalt continuous filament of special construction of the present invention has above-mentioned many advantages and practical value, and in similar method, does not see have similar design to publish or use and really genus innovation, no matter it is all having bigger improvement on technology or on the function; Have large improvement technically; And produced handy and practical effect, and the working method of more existing basalt continuous fiber has the multinomial effect of enhancement, thus be suitable for practicality more; And have the extensive utility value of industry, really be a novelty, progress, practical new design.
Description of drawings
Shown in Figure 1 is the schema of production technique of the present invention.
Embodiment
Reach technique means and the effect that predetermined goal of the invention is taked for further setting forth the present invention,, the working method of the ultra-fine basalt continuous filament that proposes according to the present invention is specified below in conjunction with accompanying drawing and preferred embodiment.
See also shown in Figure 1, the working method of the ultra-fine basalt continuous filament of preferred embodiment of the present invention, it mainly may further comprise the steps:
1, ore dressing
At first be that the ore that goes out from mining is carried out fragmentation, be processed into the rubble that diameter is 5mm.
2, ore is pulverized and is sieved.
Ore is milled to the fritter afterwash of diameter less than 1mm, continues its correct grinding is processed Powdered about 50 orders.
3, the deironing of mixing raw material.
Adopt the chemical removal of iron method in the process of deironing,, in this process, can produce some valuable precious metals through the acidleach drop.The temperature of acid solution is 65 ℃ in the iron removal, and acid solution is that concentration is the sulfuric acid of 9wt%, also can use hydrochloric acid, nitric acid and phosphoric acid etc. in the deironing.
4, wash material.
After the pickling deironing, clean up with clear water separating the last ore that forms in back.
5, batch mixing.
After adding 3.5% kaolin additive,, make that raw material can mix automatically, self-feeding through the automatic batch mixing of mechanical means, reinforced, feeding.
6, feed intake.
Pretreated raw material is dropped in the kiln through dog-house.
7, heat up.
Intensification is that the process of body of heater preheating also is the process that raw material is progressively melted, and the Irish touchstone ore must pass through high temperature can form Irish touchstone melten glass body, and glass melting temperature is 1290 ~ 1320 ℃.
8, soak into.
The coupling agent that the present invention need use lubricant that goldschmidt chemical corporation produces and Dow Corning Corporation to produce aborning soaks into.This step is known to a person of ordinary skill in the art.
9, adopt the wire drawing of platinum bushing.The platinum bushing in preferred 200 holes or 400 holes can make wire-drawing operation have good stability.
10, precursor is moved back separate and twist with the fingers, form complete ultra-fine basalt continuous filament.
Below further set forth employed tank furnace and its furnace binding among the present invention, through to tank furnace and furnace binding thereof, electrode setting, thereby further the present invention is disclosed.
The melting furnaces of tank furnace of the present invention mainly are made up of three parts: melting end, uptake (fining end), passage (homework department).The body of heater select materials is that the isostatic pressing of highdensity zirconium steel treasure brick forms, and buys according to the design requirements specification, with masonry way it is installed, and selects for use this material can prolong converter life, enhances productivity.
The electrode that the platinum rhodium material of tank furnace of the present invention forms; Be installed in Yao Chizhong respectively with different positions, the more effective required temperature of fusing that reaches, it is unimpeded that Irish touchstone solution is flowed in tank furnace; Cooperate the thermopair displays temperature that it is reconciled again, make its performance best effect.
The temperature that the exclusive design of the platinum barricade of tank furnace of the present invention has been accelerated between melting end and the fining end is even, is that temperature control has more practicality and ladder property, reaches desirable requirement.
The content material of platinum rhodium 100% is adopted in the design of bushing of the present invention; Particularly unique taper bushing design makes viscosity Irish touchstone liquation become right cylinder by cone, thereby the internal friction that promptly under tension, overcomes HV Irish touchstone liquid becomes fibrous this process with the acceleration stresses amplification for the Irish touchstone liquation with the surperficial tension that forms the new surface of fiber best effect is provided.Cooperate constant current homothermic bushing system to make the bushing temperature even again, make fibre evenly, the number of making number average is spared the controlled standard that reaches under the traction of frequency conversion adjustment drawing wire machine.
The present invention is a pool kiln wiredrawing, mainly is made up of three parts: melting end, uptake (fining end), passage (homework department).Produce simultaneously by the several piece bushing.
Be provided with three pairs of Pt Rh alloy in the melting end, thermopair is installed in melting end high-temperature zone part, regulate size of current, reach its temperature of fusion according to the galvanic couple displays temperature.A platinum rhodium barricade is housed between melting end and the uptake, the slime flux mouth of a diameter 150cm is arranged apart from 200cm top at the bottom of the kiln.The liquation that fusing is good is fully flow in the uptake.
A pair of platinum electrode is housed in the uptake, and the liquation that fusing is good heats once more, and clarification flows to homework department through the climbing brick after the homogenizing again.
Platinum electrode and thermopair are equipped with in homework department, adjust electrode current according to the galvanic couple displays temperature, make temperature be controlled in 1305 ℃ ± 2 ℃, and Irish touchstone solution, draws at a high speed down through lubrication groove completion drawing process at drawing wire machine again through bushing through the slime flux groove.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the method for above-mentioned announcement capable of using and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (8)
1. the working method of a ultra-fine basalt continuous filament is characterized in that, may further comprise the steps:
(1) the Irish touchstone ore is broken, be ground into the fritter afterwash of diameter less than 1mm, be finish-ground to 45-55 purpose powder;
(2) the Irish touchstone powder after will pulverizing carries out deironing with mineral acid, and the solubility of acid solution is 5-10wt%, and the temperature of reaction of deironing is 65 ℃-70 ℃;
(3) raw material after the cleaning deironing mixes raw material with solubility promoter;
(4) with the fusing in tank furnace of mixed raw material, infiltration and wire drawing;
(5) precursor is moved back separate and twist with the fingers.
2. the working method of ultra-fine basalt continuous filament according to claim 1 is characterized in that, said mineral acid is hydrochloric acid, sulfuric acid, nitric acid and/or phosphoric acid.
3. ultra-fine basalt continuous filament working method according to claim 1; It is characterized in that; Also comprise the steps: between said step (3) and the step (4) in raw materials mixed, to add the additive that accounts for mixing raw material gross weight 0.1-15wt%, said additive is one or more in konilite, alabaster, kaolin, Wingdale, rhombspar, soda ash, szaibelyite, fluorite and/or the potassium oxide.
4. according to the working method of the ultra-fine basalt continuous filament described in the claim 1, it is characterized in that tank furnace described in the step (4) adopts the beautiful refractory materials of zirconium steel to make body of heater.
5. according to the working method of the ultra-fine basalt continuous filament described in the claim 1, it is characterized in that pool kiln wiredrawing mainly is made up of three parts described in the step (4): melting end, fining end, homework department is produced by the several piece bushing simultaneously.
6. according to the working method of the ultra-fine basalt continuous filament described in the claim 5, it is characterized in that, the platinum barricade is housed between said melting end and the fining end.
7. the working method of ultra-fine basalt continuous filament according to claim 1 is characterized in that, wire drawing described in the step (4) is to adopt the wire drawing of platinum bushing.
8. the working method of ultra-fine basalt continuous filament according to claim 7 is characterized in that, said platinum bushing is tapered.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103435259A (en) * | 2013-08-13 | 2013-12-11 | 广西石霖矿业科技有限责任公司 | Composition for removing metal and metal oxide and application of thereof |
| CN104609718A (en) * | 2015-01-27 | 2015-05-13 | 吉林省玖鑫玄武岩产业有限公司 | Basalt fiber manufacturing process |
| CN105541101A (en) * | 2015-12-14 | 2016-05-04 | 四川力久知识产权服务有限公司 | Preparation method of basalt fiber having through pores |
| CN103435259B (en) * | 2013-08-13 | 2016-11-30 | 广西石霖矿业科技有限责任公司 | A kind of remove metal and the compositions of metal-oxide and application thereof |
| CN106242305A (en) * | 2016-09-05 | 2016-12-21 | 东南大学 | Continuous basalt fiber production technology |
| CN106630582A (en) * | 2016-09-14 | 2017-05-10 | 四川力久云智知识产权运营有限公司 | Basalt fiber special for reinforcement of polycarbonate materials and preparation method of basalt fiber |
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| CN106957152A (en) * | 2016-01-08 | 2017-07-18 | 浙江石金玄武岩纤维股份有限公司 | A kind of treated basalt fiber with heat-resisting quantity |
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| CN103435259B (en) * | 2013-08-13 | 2016-11-30 | 广西石霖矿业科技有限责任公司 | A kind of remove metal and the compositions of metal-oxide and application thereof |
| CN103435259A (en) * | 2013-08-13 | 2013-12-11 | 广西石霖矿业科技有限责任公司 | Composition for removing metal and metal oxide and application of thereof |
| CN104609718A (en) * | 2015-01-27 | 2015-05-13 | 吉林省玖鑫玄武岩产业有限公司 | Basalt fiber manufacturing process |
| CN104609718B (en) * | 2015-01-27 | 2017-01-11 | 吉林省玖鑫玄武岩产业有限公司 | Basalt fiber manufacturing process |
| CN105541101A (en) * | 2015-12-14 | 2016-05-04 | 四川力久知识产权服务有限公司 | Preparation method of basalt fiber having through pores |
| CN105541101B (en) * | 2015-12-14 | 2018-03-06 | 四川力久知识产权服务有限公司 | A kind of preparation method of the basalt fibre with through hole |
| CN106957152A (en) * | 2016-01-08 | 2017-07-18 | 浙江石金玄武岩纤维股份有限公司 | A kind of treated basalt fiber with heat-resisting quantity |
| CN106242305A (en) * | 2016-09-05 | 2016-12-21 | 东南大学 | Continuous basalt fiber production technology |
| CN106242305B (en) * | 2016-09-05 | 2019-05-21 | 东南大学 | Continuous basalt fiber production technology |
| CN106630582A (en) * | 2016-09-14 | 2017-05-10 | 四川力久云智知识产权运营有限公司 | Basalt fiber special for reinforcement of polycarbonate materials and preparation method of basalt fiber |
| CN106757526A (en) * | 2016-12-12 | 2017-05-31 | 德阳力久云智知识产权运营有限公司 | A kind of polyether sulfone strengthens special basalt fibre and preparation method thereof |
| CN107775854A (en) * | 2017-12-12 | 2018-03-09 | 段书霞 | A kind of heat resistant rubber gloves |
| CN109020184A (en) * | 2018-07-10 | 2018-12-18 | 四川千然科技有限公司 | A kind of production method and equipment of porous basalt cellucotton |
| CN112209623A (en) * | 2019-07-10 | 2021-01-12 | 贵州玄武岩新材料工程技术开发有限公司 | Preparation method of basalt fiber |
| CN112024123A (en) * | 2020-08-06 | 2020-12-04 | 六盘水师范学院 | Homogenization iron removal process for improving basalt fiber raw material |
| CN111847892A (en) * | 2020-08-26 | 2020-10-30 | 康富 | Low-cost superfine basalt fiber |
| CN113912384A (en) * | 2021-12-01 | 2022-01-11 | 泉州市龙亘耐火保温材料有限公司 | Superfine ceramic fiber cotton and production method thereof |
| CN115140931A (en) * | 2022-08-12 | 2022-10-04 | 烟台华正科信新材科技有限公司 | Method for preparing basalt scales by adopting raw ores |
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| CN102786220B (en) | 2014-12-03 |
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