CN111533459A - Formula of high-durability rock wool - Google Patents
Formula of high-durability rock wool Download PDFInfo
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- CN111533459A CN111533459A CN202010406297.7A CN202010406297A CN111533459A CN 111533459 A CN111533459 A CN 111533459A CN 202010406297 A CN202010406297 A CN 202010406297A CN 111533459 A CN111533459 A CN 111533459A
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- rock wool
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- 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
- C03B37/005—Manufacture of flakes
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- 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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a formula of high-durability rock wool, relating to the technical field of rock wool, wherein the rock wool comprises the following raw materials: 35-50 parts of basalt, 25-30 parts of quartz sand, 20-25 parts of slag, 15-20 parts of perlite, 12-15 parts of limestone, 8-10 parts of phenolic resin, 6-8 parts of water repellent and 2-3 parts of adhesive. The formula processing of the high-durability rock wool comprises the following specific steps: (1) raw material processing, (2) raw material melting reaction, (3) rock wool fiber forming, (4) cotton collecting and pressing, and (5) solidification finishing. According to the formula of the rock wool, the slag is used as a raw material, waste can be recycled, the environmental pollution can be reduced, the environmental benefit can be improved, the performance of the rock wool can be improved by the basalt, the quartz sand is a non-metal mineral and is a hard, wear-resistant and chemically stable silicate mineral, and the added quartz sand is beneficial to improving the strength of the rock wool and prolonging the service life of the rock wool, so that the durability of the rock wool is better.
Description
Technical Field
The invention relates to the technical field of rock wool, in particular to a formula of high-durability rock wool.
Background
The rock wool products are made up by using high-quality basalt and dolomite as main raw materials, melting at high temp. above 1450 deg.C, high-speed centrifuging to form fibre by using international advanced four-shaft centrifugal machine, at the same time spraying a certain quantity of adhesive, dust-proofing oil and water-repellent agent, collecting by using cotton-collecting machine, utilizing pendulum process, laying cotton by using three-dimensional method, solidifying and cutting so as to obtain the rock wool products with different specifications and uses.
The rock wool fiber prepared by the existing rock wool formula has poor quality, so that the durability of a rock wool finished product is insufficient, the use quality and the service life are easily influenced, and the bonding performance of the rock wool fiber is general, so that the existing rock wool formula has a space for improvement, and the formula of the rock wool with high durability is provided.
Disclosure of Invention
The invention aims to solve the problems that the durability of a rock wool finished product is insufficient, the use quality and the service life are easily influenced and the bonding performance of rock wool fibers is general due to poor quality of the rock wool fibers prepared by the conventional formula of the rock wool.
In order to achieve the purpose, the invention provides the following technical scheme: the formula of the high-durability rock wool comprises the following raw materials: 35-50 parts of basalt, 25-30 parts of quartz sand, 20-25 parts of slag, 15-20 parts of perlite, 12-15 parts of limestone, 8-10 parts of phenolic resin, 6-8 parts of water repellent and 2-3 parts of adhesive.
Preferably, the formula processing of the high-durability rock wool comprises the following specific steps:
(1) and processing raw materials:
weighing basalt, slag, perlite and limestone in the raw materials in parts by weight, crushing, and fully mixing by a stirrer;
(2) melting raw materials:
putting the crushed and mixed raw materials into a cupola furnace, then melting, and adding liquid oxygen during melting so as to obtain fully-melted rock pulp;
(3) and forming rock wool into fibers:
throwing the molten rock slurry into filaments by a centrifugal machine, throwing the filaments into fibers under the action of centrifugal force, and spraying phenolic resin, a water repellent and an adhesive;
(4) collecting and pressing cotton:
sending the thrown fibers into a settling chamber through high-pressure air for collection and air drying, forming a plurality of loose rock wool layers through a pendulum machine, and then pressing by a cotton pressing machine;
(5) and curing and finishing:
and (3) delivering the pressed rock wool body into a curing furnace for curing, cooling the rock wool body after curing, and then cutting and finishing to form a rock wool finished product.
Preferably, the heating temperature of the cupola furnace in the process of melting the raw materials in the step (2) is 1500-1600 ℃.
Preferably, the centrifugal machine in the rock wool forming process in the step (3) adopts a four-roller centrifugal machine, and the centrifugal speed of the centrifugal machine is increased in stages within the range of 7000-12000 r/h.
Preferably, the curing temperature of the curing oven in the curing and trimming process in the step (5) is 180-200 ℃.
The invention provides a formula of high-durability rock wool, which has the following beneficial effects:
the formula of the high-durability rock wool takes the slag as a raw material, can recycle wastes, is beneficial to reducing environmental pollution and improving environmental benefit, the basalt can improve the performance of the rock wool, the quartz sand is a non-metallic mineral substance, is a hard, wear-resistant and chemically stable silicate mineral, the quartz sand is added, the strength of the rock wool is favorably improved, the service life of the rock wool is prolonged, thereby the durability of the rock wool is better, the proper amount of perlite can not only improve the fire resistance of the rock wool board, but also obviously improves the performance of the fiber in the rock wool board, improves the toughness of the fiber, improves the tensile strength of the rock wool board, reduces the melting temperature of the raw materials by limestone, and can balance the components in the rock wool by manufacturing the raw materials according to a certain proportion, so as to obtain the rock wool fiber with high quality, and the phenolic resin is added to enhance the bonding property of the rock wool.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The invention provides the technical scheme that: the formula of the high-durability rock wool comprises the following raw materials: 35-50 parts of basalt, 25-30 parts of quartz sand, 20-25 parts of slag, 15-20 parts of perlite, 12-15 parts of limestone, 8-10 parts of phenolic resin, 6-8 parts of water repellent and 2-3 parts of adhesive.
The formula processing of the high-durability rock wool comprises the following specific steps:
(1) and processing raw materials:
weighing basalt, slag, perlite and limestone in the raw materials in parts by weight, crushing, and fully mixing by a stirrer;
(2) melting raw materials:
putting the crushed and mixed raw materials into a cupola furnace, then melting, and adding liquid oxygen during melting so as to obtain fully-melted rock pulp;
the heating temperature of the cupola furnace in the raw material melting process in the step (2) is 1500-;
(3) and forming rock wool into fibers:
throwing the molten rock slurry into filaments by a centrifugal machine, throwing the filaments into fibers under the action of centrifugal force, and spraying phenolic resin, a water repellent and an adhesive;
a four-roller centrifuge is adopted in the rock wool forming process in the step (3), the centrifugal speed of the centrifuge is increased in stages within the range of 7000-12000 r/h, and the bonding performance is improved by using the four-roller centrifuge and the manner of increasing the centrifugal speed in stages;
(4) collecting and pressing cotton:
sending the thrown fibers into a settling chamber through high-pressure air for collection and air drying, forming a plurality of loose rock wool layers through a pendulum machine, and then pressing by a cotton pressing machine;
(5) and curing and finishing:
sending the pressed rock wool body into a curing furnace for curing, cooling the rock wool body after curing, and then cutting and finishing to form a rock wool finished product;
the curing temperature of the curing furnace in the curing and finishing process in the step (5) is 180-.
In summary, the formula of the high-durability rock wool comprises the following process steps:
(1) and processing raw materials: weighing basalt, slag, perlite and limestone in the raw materials in parts by weight, crushing, and fully mixing by a stirrer;
(2) melting raw materials: putting the crushed and mixed raw materials into a cupola furnace, then melting, and adding liquid oxygen during melting so as to obtain fully-melted rock pulp;
(3) and forming rock wool into fibers: throwing the molten rock slurry into filaments by a centrifugal machine, throwing the filaments into fibers under the action of centrifugal force, and spraying phenolic resin, a water repellent and an adhesive;
(4) collecting and pressing cotton: sending the thrown fibers into a settling chamber through high-pressure air for collection and air drying, forming a plurality of loose rock wool layers through a pendulum machine, and then pressing by a cotton pressing machine;
(5) and curing and finishing: and (3) delivering the pressed rock wool body into a curing furnace for curing, cooling the rock wool body after curing, and then cutting and finishing to form a rock wool finished product.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (5)
1. The formula of the high-durability rock wool is characterized in that the rock wool comprises the following raw materials: 35-50 parts of basalt, 25-30 parts of quartz sand, 20-25 parts of slag, 15-20 parts of perlite, 12-15 parts of limestone, 8-10 parts of phenolic resin, 6-8 parts of water repellent and 2-3 parts of adhesive.
2. The formula of high-durability rock wool according to claim 1, wherein the formula processing of high-durability rock wool comprises the following specific steps:
(1) and processing raw materials:
weighing basalt, slag, perlite and limestone in the raw materials in parts by weight, crushing, and fully mixing by a stirrer;
(2) melting raw materials:
putting the crushed and mixed raw materials into a cupola furnace, then melting, and adding liquid oxygen during melting so as to obtain fully-melted rock pulp;
(3) and forming rock wool into fibers:
throwing the molten rock slurry into filaments by a centrifugal machine, throwing the filaments into fibers under the action of centrifugal force, and spraying phenolic resin, a water repellent and an adhesive;
(4) collecting and pressing cotton:
sending the thrown fibers into a settling chamber through high-pressure air for collection and air drying, forming a plurality of loose rock wool layers through a pendulum machine, and then pressing by a cotton pressing machine;
(5) and curing and finishing:
and (3) delivering the pressed rock wool body into a curing furnace for curing, cooling the rock wool body after curing, and then cutting and finishing to form a rock wool finished product.
3. The formula of high-durability rock wool according to claim 2, wherein the formula comprises: the heating temperature of the cupola furnace in the melting process of the raw materials in the step (2) is 1500-.
4. The formula of high-durability rock wool according to claim 2, wherein the formula comprises: and (4) adopting a four-roller centrifugal machine as the centrifugal machine in the rock wool fiber forming process in the step (3), wherein the centrifugal speed of the centrifugal machine is increased within the range of 7000-12000 r/h in a staged manner.
5. The formula of high-durability rock wool according to claim 2, wherein the formula comprises: the curing temperature of the curing furnace in the curing and trimming process in the step (5) is 180-200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010406297.7A CN111533459A (en) | 2020-05-14 | 2020-05-14 | Formula of high-durability rock wool |
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| CN202010406297.7A CN111533459A (en) | 2020-05-14 | 2020-05-14 | Formula of high-durability rock wool |
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| CN111533459A true CN111533459A (en) | 2020-08-14 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159113A (en) * | 2020-10-10 | 2021-01-01 | 安徽岩棉建材科技有限公司 | High-strength flame-retardant black rock wool and preparation method thereof |
| CN113175487A (en) * | 2021-04-28 | 2021-07-27 | 胡伟义 | Method for preparing reinforced composite mineral fiber |
| CN113896454A (en) * | 2021-11-18 | 2022-01-07 | 深圳市巴克风实业有限公司 | Preparation method of inorganic fiber density board |
| CN114716151A (en) * | 2022-02-25 | 2022-07-08 | 河北华能耐火保温材料股份有限公司 | Preparation process of rock wool board with strong fire resistance |
| CN115140943A (en) * | 2022-06-30 | 2022-10-04 | 北京中环鑫汇科技有限公司 | Method for producing rock wool by utilizing solid wastes of iron and steel plant |
| CN115259676A (en) * | 2022-09-26 | 2022-11-01 | 大城县洪海保温材料有限公司 | Formaldehyde-free high-durability rock wool material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103429543A (en) * | 2010-12-22 | 2013-12-04 | 阿萨默玄武岩纤维有限公司 | Raw material for producing basalt fibres |
| CN104086119A (en) * | 2014-07-28 | 2014-10-08 | 马鞍山市宏达保温材料有限公司 | Preparation method of rock wool thermal-insulation material and rock wool |
| CN106555445A (en) * | 2016-10-31 | 2017-04-05 | 马鞍山市宏达保温材料有限公司 | A kind of heat preservation rock plate with density gradient and its manufacture method |
-
2020
- 2020-05-14 CN CN202010406297.7A patent/CN111533459A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103429543A (en) * | 2010-12-22 | 2013-12-04 | 阿萨默玄武岩纤维有限公司 | Raw material for producing basalt fibres |
| CN104086119A (en) * | 2014-07-28 | 2014-10-08 | 马鞍山市宏达保温材料有限公司 | Preparation method of rock wool thermal-insulation material and rock wool |
| CN106555445A (en) * | 2016-10-31 | 2017-04-05 | 马鞍山市宏达保温材料有限公司 | A kind of heat preservation rock plate with density gradient and its manufacture method |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159113A (en) * | 2020-10-10 | 2021-01-01 | 安徽岩棉建材科技有限公司 | High-strength flame-retardant black rock wool and preparation method thereof |
| CN112159113B (en) * | 2020-10-10 | 2023-01-13 | 安徽岩棉建材科技有限公司 | High-strength flame-retardant black rock wool and preparation method thereof |
| CN113175487A (en) * | 2021-04-28 | 2021-07-27 | 胡伟义 | Method for preparing reinforced composite mineral fiber |
| CN113896454A (en) * | 2021-11-18 | 2022-01-07 | 深圳市巴克风实业有限公司 | Preparation method of inorganic fiber density board |
| CN114716151A (en) * | 2022-02-25 | 2022-07-08 | 河北华能耐火保温材料股份有限公司 | Preparation process of rock wool board with strong fire resistance |
| CN115140943A (en) * | 2022-06-30 | 2022-10-04 | 北京中环鑫汇科技有限公司 | Method for producing rock wool by utilizing solid wastes of iron and steel plant |
| CN115140943B (en) * | 2022-06-30 | 2023-09-19 | 北京中环鑫汇科技有限公司 | Method for producing rock wool by utilizing solid waste of steel plant |
| CN115259676A (en) * | 2022-09-26 | 2022-11-01 | 大城县洪海保温材料有限公司 | Formaldehyde-free high-durability rock wool material and preparation method thereof |
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Application publication date: 20200814 |