CN111072286A - Rock and mineral wool product and method for preparing mineral wool by quenching and tempering silica sand and albite - Google Patents
Rock and mineral wool product and method for preparing mineral wool by quenching and tempering silica sand and albite Download PDFInfo
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- CN111072286A CN111072286A CN201911344751.4A CN201911344751A CN111072286A CN 111072286 A CN111072286 A CN 111072286A CN 201911344751 A CN201911344751 A CN 201911344751A CN 111072286 A CN111072286 A CN 111072286A
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 239000011490 mineral wool Substances 0.000 title claims abstract description 73
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000004576 sand Substances 0.000 title claims abstract description 32
- 229910052656 albite Inorganic materials 0.000 title claims abstract description 28
- 238000005496 tempering Methods 0.000 title claims abstract description 17
- 238000010791 quenching Methods 0.000 title description 5
- 230000000171 quenching effect Effects 0.000 title description 5
- 239000002893 slag Substances 0.000 claims abstract description 38
- 230000003750 conditioning effect Effects 0.000 claims abstract description 26
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 23
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 22
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 22
- 238000002844 melting Methods 0.000 claims abstract description 18
- 230000008018 melting Effects 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 9
- 229910052681 coesite Inorganic materials 0.000 claims description 6
- 229910052906 cristobalite Inorganic materials 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 229910052682 stishovite Inorganic materials 0.000 claims description 6
- 229910052905 tridymite Inorganic materials 0.000 claims description 6
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 5
- 229910000914 Mn alloy Inorganic materials 0.000 claims description 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 4
- 235000011194 food seasoning agent Nutrition 0.000 claims description 4
- PYLLWONICXJARP-UHFFFAOYSA-N manganese silicon Chemical compound [Si].[Mn] PYLLWONICXJARP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 238000010009 beating Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 15
- 238000003723 Smelting Methods 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 239000012943 hotmelt Substances 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 229910000720 Silicomanganese Inorganic materials 0.000 description 6
- 238000000265 homogenisation Methods 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000001143 conditioned effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 210000002268 wool Anatomy 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 229910052665 sodalite Inorganic materials 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003674 animal food additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
-
- 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
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/04—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Glass Compositions (AREA)
Abstract
The invention provides a rock and mineral wool product and a method for preparing rock and mineral wool by tempering silica sand and albite, wherein the rock and mineral wool product comprises the following components in parts by mass: SiO 2235-50 parts of Al2O310-17 parts of CaO, 18-27 parts of MgO, 1-5 parts of MnO 4-14 parts of TFe, and K2O1-3 parts, Na20-2 parts of O; in the method for preparing the mineral wool by tempering the silica sand and the albite, the tempering agent is uniformly mixed silica sand and the albite in advance in the process of melting slag; according to the invention, silica sand and albite are used as conditioning materials, the conditioning effect on the product is obvious, the rock and mineral wool board is prepared by a new sensible heat one-step method, and the slag ball content, the fiber diameter, the tensile strength, the mineral pressure strength and the acidity coefficient all meet the technical requirements of the rock and mineral wool product GB/T25975-2010 rock wool board for building exterior wall insulation.
Description
Technical Field
The invention relates to the technical field of mineral wool preparation, in particular to a rock wool product and a method for preparing mineral wool by conditioning silica sand and sodalite.
Background
The silicon-manganese alloy as an important auxiliary material for steel production occupies an important position in an industrial structure, and the total yield in 2017 is 660.69 ten thousand tons. The silicomanganese alloy slag is a main byproduct of alloy production, has large annual output, and usually generates 1.2 to 1.3 tons of hot slag per 1 ton of produced alloy, and simultaneously faces the problems of difficult treatment and the like. At present, the main approach of most of silicomanganese alloy slag treatment in China is water quenching, a large amount of water resources are wasted in the treatment process, meanwhile, sensible heat of the silicomanganese alloy slag is not fully utilized, most of the treated water quenched slag is piled up or buried, and the utilization rate is extremely low. The method is implemented in 2018, 1/1, namely "tax for environmental protection of the people's republic of China", increases tax collection force on stockpiled industrial solid wastes, and pays 25 yuan/ton of environmental protection tax for metallurgical slag storage, disposal and resource utilization which do not meet the regulations, so that new burden is brought to enterprises. And simultaneously, a No. 44 document of national institute of improvement in 2019 lists the treatment of the silicomanganese alloy slag as an object of solid waste key treatment, and the sensible heat of the silicomanganese alloy slag is utilized to produce mineral wool, so that the stockpiling of solid wastes can be reduced. Meanwhile, the heat capacity of hot slag per ton is 1.8GJ, which is equivalent to the heat of 57kg standard coal, the mineral wool produced by using hot-melt slag can effectively utilize more than 80% of sensible heat of the hot-melt slag, but the mineral wool directly produced and prepared from the hot-melt slag cannot meet the technical requirements of rock/mineral wool products GB/T25975-2010 rock wool boards for building exterior wall insulation, and the fiber diameter, slag ball content, acidity coefficient, tensile strength and compressive strength do not reach the standard, so that the raw slag components need to be conditioned, the problems of difficult melting, crusting, insufficient homogenization and the like of conditioned materials are often encountered in the conditioning process, the problems of melting and homogenization of the conditioned materials are solved, and the important significance is realized for obtaining low-cost, low-energy consumption and low-pollution mineral wool, realizing the win-win of mineral wool and metallurgical enterprises, and sustainable development of resources and environment.
The sensible heat method is used for melting the hot melting slag to produce the mineral wool and the rock wool, so that the secondary treatment cost of the hot melting slag is solved, the production raw material cost of the mineral wool and the rock wool is reduced, the economic benefit is better, and the method has better prospect as an industrial chain for optimizing the metallurgical industry.
In the existing production of mineral wool and rock wool, the adopted tempering material is mostly fly ash, and a large amount of polluted smoke exists in the production process of the tempering material, so that the comprehensive utilization of environment protection and resources is not facilitated.
Disclosure of Invention
There is a need for a rock-wool product.
And a method for preparing the mineral wool by conditioning the silica sand and the albite is also necessary.
A rock and mineral wool product comprises the following components in parts by mass: SiO 2235-50 parts of Al2O310-17 parts of CaO, 18-27 parts of MgO, 1-5 parts of MnO 4-14 parts of TFe, and K2O1-3 parts, Na20-2 parts of O.
Preferably, the composition comprises the following components in parts by mass: SiO 2237-47 parts of Al2O312-15 parts of CaO, 20-25 parts of MgO 2-5 parts of MnO7-10 parts of TFe 1-2 parts of K2O1-2 parts, Na20-1 part of O.
Preferably, said modified acidity coefficient Mk of the rock/mineral wool product*1.2 to 1.8, Mk*＝Wt％ (SiO2+Al2O3)/Wt％(CaO+MgO+MnO+TFe+K2O)；
Wherein the content of the first and second substances,
is SiO2The weight of (c);
is Al2O3The weight of (c); wCaOIs the weight of CaO; wMgOIs the weight of MgO; wMnOIs the weight of MnO; wTFeIs the weight of TFe;
is K2The weight of O.
Preferably, said modified acidity coefficient Mk of the rock/mineral wool product*Is 1.4-1.6.
A method for preparing mineral wool by tempering silica sand and albite comprises the step of adding a tempering agent which is uniformly mixed in advance into the process of smelting slag.
Preferably, hot slag is firstly transported to a tempering ore-smelting furnace through a ladle, then silica sand and albite which are uniformly mixed in advance are added into the middle of an electrode core source of the ore-smelting furnace from an upper chute of the ore-smelting furnace, the temperature of the electric furnace is raised to medium-high temperature and then is kept for a certain time, the tempering material is melted in a high-temperature area in the middle of the electrode core source, the uniform slag flows to a centrifugal machine by means of electric arc force and concentration difference homogenization, primary fibers are formed by high-speed operation of the centrifugal machine, cotton felts are formed on a cotton collecting machine by means of high-speed flame and binder injection, the cotton felts enter an ore wool production line, and the cotton felts are subjected to pleating, pressing, drying, pressing and forming in a curing furnace, and are cut.
Preferably, the medium-high temperature of the electric furnace temperature rise is 1250-.
Preferably, the silica sand conditioning material mainly comprises the following components in parts by mass: SiO 2290-97 parts of Al2O31-4 parts of CaO, 0-1 part of MgO and K20-2 parts of O, Na2O is less than 0.1 part.
Preferably, the albite seasoning material mainly comprises the following components in parts by mass: SiO 2263-70 parts of Al2O315-23 parts of CaO, 2-6 parts of CaO, 0-1 part of MgO and K2O1-4 parts, Na2And 5-10 parts of O.
Preferably, the silicon-manganese alloy hot slag mainly comprises the following components in parts by mass: SiO 2233-40 parts of Al2O313-17 parts of CaO, 24-28 parts of MgO, 2-8 parts of TFe, 3-15 parts of MnO and K20 to 1 portion of O, Na20-1 part of O.
The invention has the beneficial effects that: the new quenching and tempering materials (silica sand and albite) have obvious quenching and tempering effects on products, the rock (ore) wool board is prepared by a new sensible heat one-step method, and the slag ball content, the fiber diameter, the tensile strength, the ore pressure strength and the acidity coefficient all meet the technical requirements of rock/mineral wool products GB/T25975-2010 rock wool boards for building exterior wall insulation.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the embodiments will be briefly described below, and it is obvious that some embodiments of the present invention are described below, and other substantially identical solutions can be obtained according to the embodiments without inventive labor for those skilled in the art.
The embodiment of the invention provides a rock and mineral wool product which comprises the following components in parts by mass: SiO 2235-50 parts of Al2O310-17 parts of CaO, 18-27 parts of MgO, 1-5 parts of MnO 4-14 parts of TFe, and K2O1-3 parts, Na20-2 parts of O.
Further, the feed additive comprises the following components in parts by mass: SiO 2237-47 parts of Al2O312-15 parts of CaO, 20-25 parts of MgO 2-5 parts of MnO7-10 parts of TFe 1-2 parts of K2O1-2 parts, Na20-1 part of O.
Further, the modified acidity coefficient Mk of the rock/mineral wool product*1.2 to 1.8, Mk*＝Wt％(SiO2+Al2O3)/Wt％(CaO+MgO+MnO+TFe+K2O)；
Wherein the content of the first and second substances,
is SiO2The weight of (c);
is Al2O3The weight of (c); wCaOIs the weight of CaO; wMgOIs the weight of MgO; wMnOIs the weight of MnO; wTFeIs the weight of TFe;
is K2The weight of O.
Further, the modified acidity coefficient Mk of the rock/mineral wool product*Is 1.4-1.6.
The invention also provides a method for preparing the mineral wool by conditioning the silica sand and the albite, wherein in the process of melting the slag, the conditioning agent is the silica sand and the albite which are uniformly mixed in advance.
Further, firstly, transferring hot slag into a tempering ore-smelting furnace through a ladle, then adding the pre-mixed silica sand and sodalite into the middle of an electrode core source of the ore-smelting furnace from an upper chute of the ore-smelting furnace, keeping the temperature for a certain time after the temperature of the electric furnace rises to the medium-high temperature, fully utilizing the high-temperature zone in the middle of the electrode core source to melt the tempering material, homogenizing by means of electric arc force and concentration difference, uniformly flowing the slag to a centrifugal machine, forming primary fibers by high-speed operation of the centrifugal machine, forming a cotton felt on a cotton collection machine by jetting of high-speed flame and a binder, entering an ore wool production line, performing pleating, pressing, heating, drying, packaging, pressing and forming in a curing furnace, and cutting to obtain the finished rock wool product.
The conditioning material used in the invention is chemical products of silica sand and albite, and is characterized in that the acidity coefficient of the thermal-state slag is increased by utilizing the interaction of the composite conditioning material of the silica sand and the albite, and mineral wool products reach the national standard of rock wool.
In the conditioning material, silica sand mainly provides siliceous components, but it is known in the art that the melting temperature of the silica sand is high, the melting speed is low when the silica sand is used as the conditioning material, and the required heat quantity is high, so albite is introduced as the composite conditioning material, high-silicon alumina in the albite can also help to increase the acidity coefficient of the conditioning material, and sodium ions are used as extremely active metals to accelerate the melting of the silica sand, so that the melting and conditioning can be completed when the composite conditioning material is below 1400 ℃. The method greatly saves the energy cost of the enterprise production and reduces the erosion of the high-temperature hot-melting slag to the furnace wall and the furnace lining.
Compared with the method with the patent number of 2019106035929, the method has the obvious advantage that the idea of recycling waste is adopted, and the fly ash is selected as the conditioning material. In the patent, as the main metal elements in the hot-melt slag are silicon and manganese, the melting point of silicon is higher, and the conventional conditioner is adopted, the effect of melting the hot-melt slag can be achieved only when the temperature is at least 1550 ℃, but the invention selects the new conditioner and uses silica sand as the conditioner, the content of silicon in the silicomanganese hot-melt slag can be adjusted, the acidity can be adjusted when the albite contains aluminum, sodium ions can also play a role in fluxing the hot-melt slag, the melting of the slag can be added, the melting temperature can be reduced, the melting rate of the conditioner is improved, the homogenization is more sufficient in a certain time, the phenomena of conditioning, crusting and insufficient homogenization of the refractory material are solved, compared with the conditioning of fly ash and tailings, the problem of smoke pollution generated by a furnace mouth in the production process is solved, and the invention has profound significance for energy conservation, environmental protection and comprehensive utilization of resources. Further, the medium-high temperature of the electric furnace temperature rise is 1250-1400 ℃.
Further, the silica sand conditioning material mainly comprises the following components in parts by mass: SiO 2290-97 parts of Al2O31-4 parts of CaO, 0-1 part of MgO and K20-2 parts of O, Na2O is less than 0.1 part.
Further, the albite seasoning material mainly comprises the following components in parts by mass: SiO 2263-70 parts of Al2O315-23 parts of CaO, 2-6 parts of CaO, 0-1 part of MgO and K2O1-4 parts, Na2And 5-10 parts of O.
Further, the silicon-manganese alloy hot slag mainly comprises the following components in parts by mass: SiO 2233-40 parts of Al2O313-17 parts of CaO, 24-28 parts of MgO, 2-8 parts of TFe, 3-15 parts of MnO and K20 to 1 portion of O, Na2O 0-1 part.
TABLE 1 mineral wool Properties at different acidity coefficients
The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.
The above disclosure is only illustrative of the preferred embodiments of the present invention, which should not be taken as limiting the scope of the invention, but rather the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It will be understood by those skilled in the art that all or a portion of the above-described embodiments may be practiced and equivalents thereof may be resorted to as falling within the scope of the invention as claimed. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A rock-mineral wool product characterized by: the composition comprises the following components in parts by mass: SiO 2235-50 parts of Al2O310-17 parts of CaO, 18-27 parts of MgO, 1-5 parts of MnO 4-14 parts of TFe, and K2O1-3 parts, Na20-2 parts of O.
2. The rock mineral wool article of claim 1 wherein: is prepared from the following components in percentage by massThe components in parts by weight are as follows: SiO 2237-47 parts of Al2O312-15 parts of CaO, 20-25 parts of MgO 2-5 parts of MnO7-10 parts of TFe 1-2 parts of K2O1-2 parts, Na20-1 part of O.
3. The rock mineral wool article of claim 1 wherein: modified acidity coefficient Mk of the rock/mineral wool product*1.2 to 1.8, Mk*= Wt%（SiO2+Al2O3）/Wt%（CaO+MgO+MnO+TFe+K2O）；
Wherein, WSiO2Is SiO2The weight of (c); WAl2O3Is Al2O3The weight of (c); WCaO is the weight of CaO; WMgO is the weight of MgO; WMnO is the weight of MnO; WTFFe is the weight of TFe; WK2O is K2The weight of O.
4. The rock mineral wool article of claim 3, wherein: modified acidity coefficient Mk of the rock/mineral wool product*Is 1.4-1.6.
5. A method for preparing mineral wool by conditioning silica sand and albite is characterized by comprising the following steps: in the process of slag melting, the added modifying agent is silica sand and albite which are uniformly mixed in advance.
6. The method for preparing the mineral wool by conditioning the silica sand and the albite according to claim 5, wherein the method comprises the following steps: firstly, transferring hot slag into a tempering ore furnace through a ladle, adding pre-mixed silica sand and albite into the middle of an ore furnace pole core source from an ore furnace upper chute, raising the temperature of the electric furnace to a medium-high temperature, then preserving the heat for a certain time, utilizing a high-temperature region in the middle of the pole core source to melt tempering materials, homogenizing by means of electric arc force and concentration difference, uniformly flowing the slag to a centrifugal machine, forming primary fibers through high-speed operation of the centrifugal machine, forming a cotton felt on a cotton collector through high-speed flame and binder injection, entering an ore cotton production line, performing pleat beating and pressing and the like, heating, drying, pressing and forming in a curing furnace, cutting and packaging to obtain a finished rock wool product.
7. The method for preparing the mineral wool by conditioning the silica sand and the albite according to claim 6, wherein the method comprises the following steps: the medium-high temperature of the temperature rise of the electric furnace is 1250-1400 ℃.
8. The method for preparing the mineral wool by conditioning the silica sand and the albite according to claim 6, wherein the method comprises the following steps: the silica sand seasoning is mainly composed of the following components in parts by mass: SiO 2290-97 parts of Al2O31-4 parts of CaO, 0-1 part of MgO and K20-2 parts of O, Na2O is less than 0.1 part.
9. The method for preparing the mineral wool by conditioning the silica sand and the albite according to claim 6, wherein the method comprises the following steps: the albite seasoning material mainly comprises the following components in parts by mass: SiO 2263-70 parts of Al2O315-23 parts of CaO, 2-6 parts of CaO, 0-1 parts of MgO, and K2O1-4 parts, Na2And 5-10 parts of O.
10. The method for preparing the mineral wool by conditioning the silica sand and the albite according to claim 6, wherein the method comprises the following steps: the silicon-manganese alloy hot slag mainly comprises the following components in parts by mass: SiO 2233-40 parts of Al2O313-17 parts of CaO, 24-28 parts of MgO, 2-8 parts of TFe, 3-15 parts of MnO and K20 to 1 portion of O, Na20-1 part of O.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115196881A (en) * | 2022-09-19 | 2022-10-18 | 大城县洪海保温材料有限公司 | High-strength hydrophobic rock wool material and preparation method thereof |
| CN115368022A (en) * | 2022-09-06 | 2022-11-22 | 刘杰 | Method for producing rock wool by utilizing electrolytic manganese slag |
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| CN115368022A (en) * | 2022-09-06 | 2022-11-22 | 刘杰 | Method for producing rock wool by utilizing electrolytic manganese slag |
| CN115196881A (en) * | 2022-09-19 | 2022-10-18 | 大城县洪海保温材料有限公司 | High-strength hydrophobic rock wool material and preparation method thereof |
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