CN101492243A - Method for producing ultra-fine basalt continuous filament - Google Patents
Method for producing ultra-fine basalt continuous filament Download PDFInfo
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- CN101492243A CN101492243A CNA2009101195468A CN200910119546A CN101492243A CN 101492243 A CN101492243 A CN 101492243A CN A2009101195468 A CNA2009101195468 A CN A2009101195468A CN 200910119546 A CN200910119546 A CN 200910119546A CN 101492243 A CN101492243 A CN 101492243A
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Abstract
The invention relates to a method for producing a superfine basalt continuous fiber, which comprises the following steps: breaking, smashing and screening a basalt ore raw material; removing iron from the basalt raw material powder; washing the raw material with clear water and mixing the raw material with a fusing assistant; and performing melting, soakage and fiber drawing on the mixed raw material in a tank furnace to finally obtain the superfine basalt continuous fiber. The production process provided by the invention has the characteristics of low cost, excellent product quality, and the like.
Description
Technical field
The present invention relates to a kind of production method of basalt fibre, particularly relate to a kind of production method of ultra-fine basalt continuous filament.
Background technology
Basalt is that a kind of underground magma sprays or overflow the volcanic rock that condenses and form from the volcano from crack, the face of land.Basaltic main component is sodium silicoaluminate or ca aluminosilicate, and the content of silicon-dioxide approximately is 45-52%, also contains higher ferric oxide and magnesium oxide, is a kind of black rock of particulate densification.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 basalt magma is little, is easy to flow, and forms very big tectum, often forms vast lava plateau, so it is very wide to distribute.
Basalt can be divided into tholeiitic basalt, alkaline basalt, high-alumina basalt according to its composition difference; Can be divided into pore shape basalt, amygdaloidal basalt, wichtisite by its structure difference; Can be divided into olivine basalt, hypersthene basalt etc. by its filling mineral difference.Not having Weathered basalt 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 basalt pore that has.
Basalt is a kind of of base extrusive rock.Composition is equivalent to gabbro.Grey black.Normal tool pore shape, amygdaloidal structure and porphyritic texture.Phenocryst is peridotites, pyroxene, base feldspar etc.; Matrix is generally particulate or phanerocrystalline-adiagnostic.Difference by less important mineral can be divided into olivine basalt, hypersthene basalt etc.; Press structure construction, can be divided into pore shape basalt, 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 easily forms extensive lava flow and lava quilt, is layered instrusion but also have, as 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, as 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, carbon fiber, 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 has following some problem:
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 body of heater dare not 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 basaltic melting condition must be changed, just adds other composition in its ore.
3. the wire-drawing operation instability in the production process
Present some domestic basalt fibre manufacturing enterprises, operation instability in the ubiquity fiberizing process aborning, become 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 production method of above-mentioned existing basalt continuous fiber obviously still has inconvenience and defective, and demands urgently further being improved.For the problem that the production method that solves basalt continuous fiber exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but does not see always that for a long time suitable design finished by development, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that the production method of above-mentioned existing basalt continuous fiber exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and expertise, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of production method of new ultra-fine basalt continuous filament, can improve the production method of general existing basalt continuous fiber, make it have more practicality.Through constantly research, design, and after studying repeatedly and improving, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective of the production method existence of existing basalt continuous fiber, and provide a kind of production method of new ultra-fine basalt continuous filament, technical problem to be solved is to reduce the production cost of basalt continuous fiber, thereby be suitable for practicality more, and have the utility value on the industry.
Another object of the present invention is to, a kind of production 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 further object of the present invention is, a kind of production 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 production 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 to solve the technical problems realizes by the following technical solutions.The production method of a kind of ultra-fine basalt continuous filament that proposes according to the present invention, this method comprises the fragmentation of basalt ore, pulverizes, sieves, the basalt raw material powder is carried out deironing, clean raw material with clear water, and with raw material and fusing assistant mixing, with raw materials mixed fusing in tank furnace, infiltration and wire drawing, it is characterized in that then: before cleaning raw material, with acidic solution raw material is carried out deironing earlier with clear water; Wherein said acid solution is that solubility is 20wt%-60wt%, and the temperature of reaction of deironing is 30 ℃-60 ℃.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The production method of aforesaid ultra-fine basalt continuous filament, wherein said acid solution are mineral acid.
The production method of aforesaid ultra-fine basalt continuous filament, wherein said mineral acid are hydrochloric acid, sulfuric acid, nitric acid and/or phosphoric acid.
The production method of aforesaid ultra-fine basalt continuous filament, wherein said tank furnace adopt the beautiful refractory materials of zirconium steel to make body of heater, make barricade with platinum.
The production method of aforesaid ultra-fine basalt continuous filament, wherein also further comprise the steps: before raw materials mixed is melted in tank furnace, add the additive that accounts for mixing raw material gross weight 0.1-15wt% in raw materials mixed, described additive is one or more in konilite, alabaster, kaolin, Wingdale, rhombspar, soda ash, szaibelyite, fluorite and/or the potassium oxide.
The production method of aforesaid ultra-fine basalt continuous filament, wherein said wire drawing are to adopt the wire drawing of platinum bushing.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present invention thes contents are as follows:
The present invention proposes a kind of production method of ultra-fine basalt continuous filament and the difference of other basalt continuous fiber production methods:
1, the present invention's arrangement of electrodes of adopting the large vol tank furnace method mode of production, more rational Proper Design and more optimizing.
2, the tank furnace among the present invention 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 among the present invention, thereby avoided the anodizing problem to take place, improved electrical efficiency.
4, the tank furnace platinum that uses among the present invention 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.
5, the chemistry of process using of the present invention 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 order to improve the performance of ultra-fine basalt continuous filament in raw material.Described additive comprise basalt 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.
Via as can be known above-mentioned, the invention relates to a kind of production method of ultra-fine basalt continuous filament, this method comprises the fragmentation of basalt ore, pulverizes, sieves, the basalt raw material powder is carried out deironing, clean raw material with clear water, and, with raw materials mixed fusing in tank furnace, infiltration and wire drawing, finally obtain ultra-fine basalt continuous filament then with raw material and fusing assistant mixing.Production technique provided by the invention has characteristics such as cost is low, quality product excellence.
By technique scheme, the production method of ultra-fine basalt continuous filament of the present invention has following advantage at least:
1, cost is low.
The production cost of ultra-fine basalt continuous filament of the present invention can be controlled at 4000-8000 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 production method can be strengthened basalt 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, ultra-fine basalt continuous filament of the present invention has excellent weathering resistance and folding quality.
Because we add other with common basalt ore to help to melt and becomes the ore of fibre to melt together, have both solved the problem of fusion difficulty, have 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 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.
Because we have adopted chemical process that raw material is screened, and make raw material purer, be easier to fusing, thereby make melt more even, make fibre-forming performance be more prone to, and then make that drawing out thinner fiber becomes possibility.
4, the converter life of tank furnace of the present invention prolongs.
Because the body of heater material difference that the present invention adopts, Proper Design is science more, and heat-insulating property is better, makes converter life can improve 1.5-3, thereby has made thinner the cost input.
Based on above advantage, the production method of the ultra-fine basalt continuous filament that the present invention proposes can really reach the production of industrial mass, makes the industrialization volume production of basalt fibre become possibility.
In sum, the production 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, do 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 production method of more existing basalt continuous fiber has the multinomial effect of enhancement, thereby be suitable for practicality more, and have the extensive utility value of industry, really be a novelty, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technique means of the present invention, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
Concrete scheme of the present invention is provided in detail by following examples and accompanying drawing thereof.
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, below in conjunction with accompanying drawing and preferred embodiment, the production method of the ultra-fine basalt continuous filament that foundation the present invention is proposed describe in detail as after.
See also shown in Figure 1, the production 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 made Powdered about 30 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 45 ℃ in the iron removal, and acid solution is that concentration is the sulfuric acid of 40wt%.According to the general principles of chemistry as can be known, 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 by the automatic batch mixing of mechanical means, reinforced, feeding.
6, feed intake.
Washed raw material is dropped in the dog-house of body of heater.
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 basalt ore must can form basalt melten glass body through high temperature.
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 makes 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, by 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 basalt 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, reaches desirable requirement.
The content material of platinum rhodium 10% is adopted in the design of bushing of the present invention, particularly unique taper bushing design makes viscosity basalt liquation become right cylinder by cone, thereby the surperficial tension that promptly overcomes the internal friction of high viscosity basalt liquid and form the new surface of fiber under the pulling force effect becomes fibrous this process with the acceleration amplification for the basalt liquation best effect is provided.Cooperate constant current homothermic bushing Controlling 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 1230 ℃ to 1280 ℃, basalt solution again through bushing, is finished drawing process through lubrication groove through the slime flux groove under drawing wire machine draws at a high speed.
The above, it only is preferred embodiment of the present invention, be not that 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 limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the method that can utilize above-mentioned announcement 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 solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (6)
1, a kind of production method of ultra-fine basalt continuous filament, this method comprises the fragmentation of basalt ore, pulverizes, sieves, the basalt raw material powder is carried out deironing, clean raw material with clear water, and with raw material and fusing assistant mixing, with raw materials mixed fusing in tank furnace, infiltration and wire drawing, it is characterized in that then: before cleaning raw material, with acidic solution raw material is carried out deironing earlier with clear water; Wherein said acid solution is that solubility is 20wt%-60wt%, and the temperature of reaction of deironing is 30 ℃-60 ℃.
2, production method according to claim 1, wherein said acid solution are mineral acid.
3, production method according to claim 2, wherein said mineral acid are hydrochloric acid, sulfuric acid, nitric acid and/or phosphoric acid.
4, according to the described production method of arbitrary claim in the claim 1 to 3, its feature is that also described tank furnace adopts the beautiful refractory materials of zirconium steel to make body of heater, makes barricade with platinum.
5, production method according to claim 4, wherein also further comprise the steps: before raw materials mixed is melted in tank furnace, add the additive that accounts for mixing raw material gross weight 0.1-15wt% in raw materials mixed, described additive is one or more in konilite, alabaster, kaolin, Wingdale, rhombspar, soda ash, szaibelyite, fluorite and/or the potassium oxide.
6, production method according to claim 4, wherein said wire drawing are to adopt the wire drawing of platinum bushing.
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| CNA2009101195468A CN101492243A (en) | 2009-03-13 | 2009-03-13 | Method for producing ultra-fine basalt continuous filament |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102583995A (en) * | 2012-02-20 | 2012-07-18 | 河北通辉科技有限责任公司 | High-strength high-purity basalt continuous fiber production technique |
| CN102757178A (en) * | 2012-07-05 | 2012-10-31 | 鞠加会 | Method for manufacturing micro-hollow and micro-bubble rock wool by using basalt as a main ingredient and product of the method |
| CN102786220A (en) * | 2012-08-07 | 2012-11-21 | 宋朋泽 | Production method for ultrafine continuous basalt fibers |
| CN105506782A (en) * | 2015-12-29 | 2016-04-20 | 四川力久知识产权服务有限公司 | Preparation method of porous basalt fibers |
| CN105776878A (en) * | 2016-03-28 | 2016-07-20 | 四川力久知识产权服务有限公司 | Preparation method of continuous basalt fiber |
| CN105837024A (en) * | 2016-03-28 | 2016-08-10 | 四川力久知识产权服务有限公司 | Preparation method of continuous basalt fibers |
| 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 |
| CN107601849A (en) * | 2017-10-23 | 2018-01-19 | 安徽屹翔滤材有限公司 | A kind of processing technology of basalt fibre for the grease proofing needled filtering felt manufacture of water repellent |
| 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 |
| CN109437576A (en) * | 2018-12-12 | 2019-03-08 | 李瑞德 | A kind of rock wool and preparation method thereof, the preparation multi-functional total oxygen natural gas smelting furnace of rock wool |
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| CN111235958A (en) * | 2020-02-20 | 2020-06-05 | 陕西科技大学 | Method for dispersing basalt fibers and manufacturing insulating paper by adopting basalt fibers |
| 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 |
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| CN102583995A (en) * | 2012-02-20 | 2012-07-18 | 河北通辉科技有限责任公司 | High-strength high-purity basalt continuous fiber production technique |
| CN102757178A (en) * | 2012-07-05 | 2012-10-31 | 鞠加会 | Method for manufacturing micro-hollow and micro-bubble rock wool by using basalt as a main ingredient and product of the method |
| CN102757178B (en) * | 2012-07-05 | 2013-05-08 | 鞠加会 | Method for manufacturing micro-hollow and micro-bubble rock wool by using basalt as a main ingredient and product of the method |
| CN102786220A (en) * | 2012-08-07 | 2012-11-21 | 宋朋泽 | Production method for ultrafine continuous basalt fibers |
| CN102786220B (en) * | 2012-08-07 | 2014-12-03 | 宋朋泽 | Production method for ultrafine continuous basalt fibers |
| CN105506782A (en) * | 2015-12-29 | 2016-04-20 | 四川力久知识产权服务有限公司 | Preparation method of porous basalt fibers |
| CN105506782B (en) * | 2015-12-29 | 2017-10-31 | 四川力久云智知识产权运营有限公司 | A kind of preparation method of porous basalt fiber |
| 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 |
| CN105776878B (en) * | 2016-03-28 | 2018-10-09 | 四川力久知识产权服务有限公司 | A kind of preparation method of continuous basalt fiber |
| CN105776878A (en) * | 2016-03-28 | 2016-07-20 | 四川力久知识产权服务有限公司 | Preparation method of continuous basalt fiber |
| CN105837024A (en) * | 2016-03-28 | 2016-08-10 | 四川力久知识产权服务有限公司 | Preparation method of continuous basalt fibers |
| CN105837024B (en) * | 2016-03-28 | 2018-10-09 | 四川力久知识产权服务有限公司 | A kind of preparation method of continuous basalt fiber |
| CN107601849A (en) * | 2017-10-23 | 2018-01-19 | 安徽屹翔滤材有限公司 | A kind of processing technology of basalt fibre for the grease proofing needled filtering felt manufacture of water repellent |
| 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 |
| CN109437576A (en) * | 2018-12-12 | 2019-03-08 | 李瑞德 | A kind of rock wool and preparation method thereof, the preparation multi-functional total oxygen natural gas smelting furnace of rock wool |
| CN110467379A (en) * | 2019-08-14 | 2019-11-19 | 江苏省建筑工程质量检测中心有限公司 | A kind of fiber reinforced layered cement concrete pavement and its surface material |
| CN111235958A (en) * | 2020-02-20 | 2020-06-05 | 陕西科技大学 | Method for dispersing basalt fibers and manufacturing insulating paper by adopting basalt fibers |
| 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 |
| CN116555976A (en) * | 2023-05-15 | 2023-08-08 | 肃宁县中原纺织有限责任公司 | Preparation method and system of heat insulation material suitable for gun equipment |
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