CN115140931A - Method for preparing basalt scales by adopting raw ores - Google Patents
Method for preparing basalt scales by adopting raw ores Download PDFInfo
- Publication number
- CN115140931A CN115140931A CN202210969147.6A CN202210969147A CN115140931A CN 115140931 A CN115140931 A CN 115140931A CN 202210969147 A CN202210969147 A CN 202210969147A CN 115140931 A CN115140931 A CN 115140931A
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- raw ore
- raw
- basalt
- melt
- crushing
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000000155 melt Substances 0.000 claims abstract description 33
- 238000002844 melting Methods 0.000 claims abstract description 18
- 230000008018 melting Effects 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000005406 washing Methods 0.000 claims abstract description 12
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000000227 grinding Methods 0.000 claims abstract description 8
- 239000006185 dispersion Substances 0.000 claims description 28
- 239000002245 particle Substances 0.000 claims description 15
- 230000005484 gravity Effects 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000007670 refining Methods 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 7
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 4
- 238000005554 pickling Methods 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 13
- 239000002994 raw material Substances 0.000 abstract description 8
- 239000002253 acid Substances 0.000 abstract description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 4
- 239000011707 mineral Substances 0.000 abstract description 4
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 150000005837 radical ions Chemical class 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/005—Manufacture of flakes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a method for preparing basalt scales by adopting raw ores, which comprises the following steps: 1) Mineral separation: siO in raw ore 2 Not less than 40wt% of Al 2 O 3 The content is 10wt% -40wt%; 2) Thinning treatment: crushing, washing, acid washing and grinding raw ores; 3) Preheating: heating the refined raw ore to 600-800 ℃, and preserving heat; 4) Crushing and melting: rapidly cooling the preheated raw ore, crushing, filtering, heating to 1600 ℃ for melting, cooling to 1400-1500 ℃, and preserving heat for 6-12h; 5) Molding: the melt was spun centrifugally to form flakes. The method adopts the raw ore to screen and pretreat to prepare the basalt flakes, and can reduce the difficulty and the cost of preparing chemical component raw materials. The basalt scale prepared by the method of the invention and the basalt prepared by the raw materials of chemical ingredientsCompared with the prior art, the performance of the scale has no obvious difference, and the large-scale production can be realized.
Description
Technical Field
The invention relates to preparation of basalt scales, in particular to a method for preparing basalt scales by adopting raw ores.
Background
The basalt flakes are a flaky inorganic non-metallic material, have the excellent characteristics of high strength, acid and alkali resistance, high temperature resistance and the like, are used for being added into an anticorrosive coating, and can increase permeation paths of corrosive substances such as air, acid radical ions and the like after the basalt flakes are randomly stacked in the coating, so that the anticorrosive performance of the coating is improved. The preparation of the basalt scales is that basalt ores are screened and then melted at high temperature, and the melt is thrown into flaky particles under the centrifugal action. The raw materials for preparing the basalt flakes are mostly prepared from specific components according to the characteristics of the basalt flakes, the essence is that chemical raw materials are compounded, a plurality of mineral substances can also be used for preparing the basalt flakes, and the technical difficulty is how to screen and pretreat the mineral substances and a corresponding production method.
Disclosure of Invention
According to the invention, by researching the relation between the effective components of the ore and the process for preparing the basalt scale, the screening and pretreatment processes of the raw ore and the processing method adapted to the pretreated raw ore are determined, and the basalt scale with the performance meeting the requirements is obtained, so that the problem that the existing raw materials for producing the basalt scale need to be configured from chemical components is solved. The invention discloses a method for preparing basalt flakes by using raw ores, which comprises the following steps:
1) Ore dressing
SiO in raw ore 2 Not less than 40wt% of Al 2 O 3 The content is 10wt% -40wt%;
2) Refining process
Crushing, washing, pickling and grinding raw ores;
3) Preheating
Heating the refined raw ore to 600-800 ℃, and preserving heat;
4) Melting by crushing
Rapidly cooling the preheated raw ore, crushing, filtering, heating to 1600 ℃ for melting, cooling to 1400-1500 ℃, and preserving heat for 6-12h;
5) Shaping of
The melt was spun centrifugally to form flakes.
SiO 2 Is the main oxide contained in basalt, directly influences the melting temperature and the melt viscosity of the rock, and keeps the heat resistance, the mechanical strength, the chemical stability and the like of basalt scales when SiO 2 When the content is less than 44%, it is difficult to develop SiO 2 The function of the network formation body in the silicate network structure is very unfavorable for the chemical stability of the formed basalt scales, and the viscosity of the basalt magma is too high to be thrown out and formed in forming equipment. When SiO is present 2 When the content is more than 65%, the melting temperature is too high, and the raw material composition is hardly melted, resulting in adulteration in the productThe undissolved impurities have large heat consumption, and the alkali resistance of the basalt scales is reduced. Therefore, siO 2 The content of (B) is not less than 40wt%.
Al 2 O 3 The chemical stability, mechanical strength, thermal stability and the like of the basalt scales are maintained by adjusting the temperature and viscosity of the basalt magma, and Al 2 O 3 Is a component which can increase water resistance and simultaneously weaken acid resistance, so according to the requirements of different performance characteristics, the Al in the raw ore of the invention 2 O 3 The content of (A) is 10wt% -40wt%.
SiO 2 And Al 2 O 3 Is an essential component for preparing basalt scales, and researches on basalt ores discover that the iron element in the ores is Fe 2+ And Fe 3+ The iron element plays a key role in adjusting the optical properties of the basalt scales and maintaining the acid resistance and alkali resistance of the basalt scales. Its existence helps to receive electromagnetic radiation in the infrared band, and at the same time influences the cooling speed, viscosity and crystallization temperature of the melt. Therefore, if appropriate iron elements are necessary to prepare basalt flakes having special luster properties, iron oxides may also be present in the raw ore of the invention in an amount of up to 15% by weight.
Research on CaO and MgO in minerals shows that CaO and MgO are chemical components for adjusting the temperature of basalt magma and the viscosity of a melt, maintaining the heat resistance, the corrosion resistance and the mechanical property of basalt scales, improving the crystallization temperature of the melt and preparing brittle basalt scales. Therefore, the invention can select the raw ore containing 1 to 10 weight percent of MgO and 2 to 15 weight percent of CaO.
K 2 O and Na 2 O is K for adjusting the melt viscosity 2 O and/or Na 2 O can reduce the viscosity of the melt, and is beneficial to the outflow of the melt and the forming of the scale. Therefore, the invention can selectively contain 1wt% to 8wt% of Na 2 O and/or 0.5-4 wt% of K 2 Raw ore of O.
TiO 2 Content of TiO was investigated to find that 2 Is a component for increasing the melt viscosity, the thermal stability and the ultraviolet absorption performance of the basalt flakes. P 2 O 5 Is a component that regulates melt viscosity and maintains chemical stability. The invention can optionally contain 0.5wt% to 5wt% of TiO 2 And/or 0-2 wt.% of P 2 O 5 The raw ore of (1).
Specifically, in the method of the present invention, step 5) is: the melt falls down under the action of gravity through an opening at the top of the scale collection bin to a rotating dispersion disc in rotation, air injection holes in the upper end of the inner side of the rotating dispersion disc continuously supply compressed air pulses, the melt is spread on the surface of the rotating dispersion disc in a film shape, and is tangentially diffused to the edge of the rotating dispersion disc under the action of centrifugal force, the melt film is cooled and dispersed and broken into small scale-shaped particles by the compressed air pulses, and the scale-shaped particles and air enter the scale collection bin together.
The method adopts the raw ore to screen and pretreat to prepare the basalt flakes, and can reduce the difficulty and the cost of preparing chemical component raw materials. Compared with the basalt flakes prepared from the raw materials of chemical ingredients, the basalt flakes prepared by the method have no obvious difference in performance in all aspects, and can realize large-scale production.
Detailed Description
The present invention is described below with reference to examples, which are provided for illustration only and are not intended to limit the scope of the present invention.
Example 1
A method for preparing basalt scales by adopting raw ores comprises the following steps:
1) Ore dressing
SiO in raw ore 2 Content of (3 wt%), al 2 O 3 The content of (B) is 40wt%;
2) Refining process
Crushing raw ore, washing with water, washing with dilute hydrochloric acid, and grinding;
3) Preheating
Heating the refined raw ore to 800 ℃, and preserving heat;
4) Melting by crushing
Rapidly cooling the preheated raw ore, crushing, filtering, heating to 1600 ℃ for melting, cooling to 1500 ℃, and preserving heat for 6 hours;
5) Shaping of
The melt falls down under the action of gravity through an opening at the top of the scale collection bin to a rotating dispersion disc in rotation, air injection holes in the upper end of the inner side of the rotating dispersion disc continuously supply compressed air pulses, the melt is spread on the surface of the rotating dispersion disc in a film shape, and is tangentially diffused to the edge of the rotating dispersion disc under the action of centrifugal force, the melt film is cooled and dispersed and broken into small scale-shaped particles by the compressed air pulses, and the scale-shaped particles and air enter the scale collection bin together.
Example 2
A method for preparing basalt scales by adopting raw ores comprises the following steps:
1) Ore dressing
SiO in raw ore 2 Is 45wt% of Al 2 O 3 Is 10wt%, feO is 8wt%, fe 2 O 3 The content of (B) is 7wt%;
2) Refining process
Crushing, washing, pickling and grinding raw ores;
3) Preheating
Heating the refined raw ore to 600 ℃, and preserving heat;
4) Melting by crushing
Rapidly cooling and crushing the preheated raw ore, filtering, heating to 1600 ℃ for melting, cooling to 1400 ℃ and preserving heat for 12 hours;
5) Shaping of
The melt falls down under the action of gravity through an opening at the top of the scale collection bin to a rotating dispersion disc in rotation, air injection holes in the upper end of the inner side of the rotating dispersion disc continuously supply compressed air pulses, the melt is spread on the surface of the rotating dispersion disc in a film shape, and is tangentially diffused to the edge of the rotating dispersion disc under the action of centrifugal force, the melt film is cooled and dispersed and broken into small scale-shaped particles by the compressed air pulses, and the scale-shaped particles and air enter the scale collection bin together.
Example 3
A method for preparing basalt scales by adopting raw ores comprises the following steps:
1) Ore dressing
SiO in raw ore 2 Is 50wt% of Al 2 O 3 30wt%, mgO 10wt%, caO 10wt%;
2) Refining process
Crushing, washing, acid washing and grinding raw ores;
3) Preheating
Heating the refined raw ore to 700 ℃, and preserving heat;
4) Melting by crushing
Rapidly cooling the preheated raw ore, crushing, filtering, heating to 1600 ℃ for melting, cooling to 1450 ℃, and preserving heat for 10 hours;
5) Shaping of
The melt falls down under the action of gravity through an opening at the top of the scale collection bin to a rotating dispersion disc in rotation, air injection holes in the upper end of the inner side of the rotating dispersion disc continuously supply compressed air pulses, the melt is spread on the surface of the rotating dispersion disc in a film shape, and is tangentially diffused to the edge of the rotating dispersion disc under the action of centrifugal force, the melt film is cooled and dispersed and broken into small scale-shaped particles by the compressed air pulses, and the scale-shaped particles and air enter the scale collection bin together.
Example 4
A method for preparing basalt scales by adopting raw ores comprises the following steps:
1) Ore dressing
SiO in raw ore 2 Is 60wt% of Al 2 O 3 Content 15wt%, K 2 The content of O is 4wt%, na 2 The content of O is 8wt%;
2) Refining process
Crushing, washing, acid washing and grinding raw ores;
3) Preheating
Heating the refined raw ore to 750 ℃, and preserving heat;
4) Melting by crushing
Rapidly cooling and crushing the preheated raw ore, filtering, heating to 1600 ℃ for melting, cooling to 1500 ℃, and preserving heat for 8 hours;
5) Shaping of
The melt falls down under the action of gravity through an opening at the top of the scale collection bin to a rotating dispersion disc in rotation, air injection holes in the upper end of the inner side of the rotating dispersion disc continuously supply compressed air pulses, the melt is spread on the surface of the rotating dispersion disc in a film shape, and is tangentially diffused to the edge of the rotating dispersion disc under the action of centrifugal force, the melt film is cooled and dispersed and broken into small scale-shaped particles by the compressed air pulses, and the scale-shaped particles and air enter the scale collection bin together.
Example 5
A method for preparing basalt scales by adopting raw ores comprises the following steps:
1) Beneficiation of ore
SiO in raw ore 2 Is 50wt% of Al 2 O 3 Content 30wt%, P 2 O 5 Is 2wt% of TiO 2 The content of (B) is 5wt%;
2) Refining process
Crushing, washing, pickling and grinding raw ores;
3) Preheating
Heating the refined raw ore to 800 ℃, and preserving heat;
4) Melting by crushing
Rapidly cooling and crushing the preheated raw ore, filtering, heating to 1600 ℃ for melting, cooling to 1500 ℃, and preserving heat for 8 hours;
5) Shaping of
The melt falls down under the action of gravity through an opening at the top of the scale collection bin to a rotating dispersion disc in rotation, air injection holes in the upper end of the inner side of the rotating dispersion disc continuously supply compressed air pulses, the melt is spread on the surface of the rotating dispersion disc in a film shape, and is tangentially diffused to the edge of the rotating dispersion disc under the action of centrifugal force, the melt film is cooled and dispersed and broken into small scale-shaped particles by the compressed air pulses, and the scale-shaped particles and air enter the scale collection bin together.
The basalt flakes described above are only preferred embodiments of the present invention and are not intended to limit the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A method for preparing basalt scales by adopting raw ores is characterized by comprising the following steps:
1) Ore dressing
SiO in raw ore 2 Not less than 40wt% of Al 2 O 3 The content is 10wt% -40wt%;
2) Refining process
Crushing, washing, pickling and grinding raw ores;
3) Preheating
Heating the refined raw ore to 600-800 ℃, and preserving heat;
4) Melting by crushing
Rapidly cooling the preheated raw ore, crushing, filtering, heating to 1600 ℃ for melting, cooling to 1400-1500 ℃, and preserving heat for 6-12h;
5) Shaping of
The melt was spun centrifugally to form flakes.
2. The method according to claim 1, characterized in that the raw ore further contains 0-15wt% iron oxide and/or 1-10 wt% MgO and/or 2-15 wt% CaO.
3. The method according to claim 2, characterized in that the raw ore further contains 1-8 wt% of Na 2 O and/or 0.5-4 wt% of K 2 O。
4. A method according to claim 3, characterised in that the raw ore also contains 0.5-5 wt% TiO 2 And/or 0-2 wt.% of P 2 O 5 。
5. The method according to any one of claims 1 to 4, wherein step 5) is: the melt falls through an opening at the top of the scale collection bin under the action of gravity to a rotating dispersion disc, air injection holes at the upper end of the inner side of the rotating dispersion disc continuously supply compressed air pulses, the melt spreads on the surface of the rotating dispersion disc in a film shape, and is tangentially diffused to the edge of the rotating dispersion disc under the action of centrifugal force, the melt film is cooled and dispersed and crushed into small scale-shaped particles by the compressed air pulses, and the scale-shaped particles and air enter the scale collection bin together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210969147.6A CN115140931A (en) | 2022-08-12 | 2022-08-12 | Method for preparing basalt scales by adopting raw ores |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210969147.6A CN115140931A (en) | 2022-08-12 | 2022-08-12 | Method for preparing basalt scales by adopting raw ores |
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| CN115140931A true CN115140931A (en) | 2022-10-04 |
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| CN202210969147.6A Pending CN115140931A (en) | 2022-08-12 | 2022-08-12 | Method for preparing basalt scales by adopting raw ores |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723587A (en) * | 2009-11-16 | 2010-06-09 | 戴洪明 | Manufacture method of igneous rock crystal glass material |
| CN102786220A (en) * | 2012-08-07 | 2012-11-21 | 宋朋泽 | Production method for ultrafine continuous basalt fibers |
| CN108569843A (en) * | 2018-04-20 | 2018-09-25 | 郭宝华 | A kind of device and method producing flakey material with mineral melt |
| CN110152768A (en) * | 2019-05-05 | 2019-08-23 | 郑金华 | A kind of high rigidity raw ore stripping type automatic crushing device and application method |
| WO2021015243A1 (en) * | 2019-07-25 | 2021-01-28 | ニチアス株式会社 | Inorganic fiber, inorganic fiber product, method for producing inorganic fiber product, composition for producing inorganic fiber, and method for producing inorganic fiber |
| CN113979617A (en) * | 2021-11-16 | 2022-01-28 | 董世成 | Production device and production process of basalt scales |
-
2022
- 2022-08-12 CN CN202210969147.6A patent/CN115140931A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723587A (en) * | 2009-11-16 | 2010-06-09 | 戴洪明 | Manufacture method of igneous rock crystal glass material |
| CN102786220A (en) * | 2012-08-07 | 2012-11-21 | 宋朋泽 | Production method for ultrafine continuous basalt fibers |
| CN108569843A (en) * | 2018-04-20 | 2018-09-25 | 郭宝华 | A kind of device and method producing flakey material with mineral melt |
| CN110152768A (en) * | 2019-05-05 | 2019-08-23 | 郑金华 | A kind of high rigidity raw ore stripping type automatic crushing device and application method |
| WO2021015243A1 (en) * | 2019-07-25 | 2021-01-28 | ニチアス株式会社 | Inorganic fiber, inorganic fiber product, method for producing inorganic fiber product, composition for producing inorganic fiber, and method for producing inorganic fiber |
| CN113979617A (en) * | 2021-11-16 | 2022-01-28 | 董世成 | Production device and production process of basalt scales |
Non-Patent Citations (2)
| Title |
|---|
| 何其乐: "耐高温玄武岩纤维针刺毡的制备及性能研究", 中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑, no. 5, pages 016 - 532 * |
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