CN111517644A - Passive room inorganic wallboard and preparation method thereof - Google Patents
Passive room inorganic wallboard and preparation method thereof Download PDFInfo
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- CN111517644A CN111517644A CN202010360216.4A CN202010360216A CN111517644A CN 111517644 A CN111517644 A CN 111517644A CN 202010360216 A CN202010360216 A CN 202010360216A CN 111517644 A CN111517644 A CN 111517644A
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- wallboard
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Classifications
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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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
-
- 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
-
- 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
- C03B37/06—Manufacture of glass fibres or filaments by blasting or blowing molten glass, e.g. for making staple fibres
-
- 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
- C03B37/10—Non-chemical treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
Abstract
The invention discloses a passive room inorganic wallboard which is prepared from the following raw materials in parts by weight: 200-300 parts of aluminosilicate, 120-150 parts of quicklime, 60-80 parts of quartz sand, 20-30 parts of borocalcite, 10-20 parts of mirabilite and 1-5 parts of sodium carbonate; the preparation method comprises the following steps: (1) weighing the raw materials; (2) heating and melting all the raw materials to obtain molten glass; (3) introducing a centrifugal disc, and then ejecting the glass through small holes on the side wall of the centrifugal disc to obtain glass trickle; (4) carrying out blowing and stretching by using high-temperature gas to obtain glass fiber; (5) opening to obtain glass wool, and sending the glass wool into a carding machine for carding; (6) and (5) lapping, pressing, baking and forming to obtain the product. The product of the invention has the characteristics of heat preservation, high temperature resistance, non-combustion, corrosion resistance, good heat insulation and sound insulation, high tensile strength, good electrical insulation and the like, has long service life, and particularly conforms to the application of passive house buildings and indoor sound insulation, heat insulation and heat preservation of civil buildings.
Description
Technical Field
The invention relates to the technical field of inorganic materials, in particular to an inorganic wallboard of a passive house and a preparation method thereof.
Background
The concept of "passive room" construction was established on the basis of low energy consumption construction in the last 80 th century of germany, which was first proposed by professor Adamson (Bo Adamson) at University of Lund University in sweden (Lund University) and by doctor feldter (wolfgarg Feist) in germany in 1988, who thought that "passive room" construction should be a construction that can maintain a comfortable indoor thermal environment without active heating and air conditioning systems. In 1991, a first Passive room building (Passive House) is built in Damsstadt (Darmstadt) in Germany, and the Passive House building normally operates according to design requirements in more than ten years so far, so that a good effect is achieved.
The building mode of the 'passive room' is not limited by the building types, including office buildings, houses, school houses, gymnasiums and industrial rooms, so that the common building can meet the standard requirement of the 'passive room' through reconstruction, and has wide practical significance.
At present, most of heat insulation materials for indoor decoration of 'passive rooms' are EPS polyphenyl boards, XPS extruded sheets, steel wire mesh frame comfortable boards, vitrified micro-bead heat insulation materials and rubber powder polyphenyl particle heat insulation materials. However, these materials tend to absorb water at a high water absorption rate, increase in thermal conductivity with an increase in water absorption, deteriorate in heat-retaining effect, and are prone to aging and have a relatively short service life.
Therefore, how to develop a wallboard material for a passive house, which has a good heat insulation effect and is energy-saving and environment-friendly, is a problem that needs to be solved by the technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides a passive room inorganic wallboard and a preparation method thereof, and the passive room inorganic wallboard has the characteristics of heat preservation, high temperature resistance, non-combustibility, corrosion resistance, good heat insulation and sound insulation, high tensile strength, good electrical insulation and the like, has a long service life, and particularly meets the application of indoor sound insulation, heat preservation and the like of passive room buildings and civil buildings.
In order to achieve the purpose, the invention adopts the following technical scheme:
a passive room inorganic wallboard is prepared from the following raw materials in parts by weight: 200-300 parts of aluminosilicate, 120-150 parts of quicklime, 60-80 parts of quartz sand, 20-30 parts of borocalcite, 10-20 parts of mirabilite and 1-5 parts of sodium carbonate.
Preferably: 250 parts of aluminosilicate, 140 parts of quicklime, 70 parts of quartz sand, 25 parts of borobainitic stone, 15 parts of mirabilite and 3 parts of soda ash.
Further, the aluminosilicate is any one or a mixture of several of pyrophyllite, orthoclase and kaolin.
The method has the further beneficial effect that the chemical structural formula of the pyrophyllite is Al2[Si4O10](OH)2Fine texture, low hardness, and 30-39% aluminum content; the chemical structural formula of orthoclase is K [ AlSi ]3O8]In which K is216.90% of O and Al2O318.4% of SiO264.7 percent; the chemical structural formula of the kaolin is 2SiO2·Al2O3·2H2O, theoretical chemical composition of which is 46.54% SiO239.5% of Al2O313.96% of H2O。
Further, the quicklime may be anorthite or limestone.
The adoption of the further beneficial effects that the anorthite is a calcium-aluminum silicate mineral, is white or gray glassy crystal, is relatively brittle, and has a chemical structural formula of CaO & Al2O3·2SiO2Wherein CaO accounts for 20.1%, Al2O336.7% of SiO243.2 percent; the main component of limestone, calcium carbonate, is the main raw material for producing glass.
Furthermore, the mirabilite can also be albite.
The adoption of the above further beneficial effect is that albite is a triclinic vitreous crystal, which is generally colorless, white, yellow, red or black, and has a chemical structural formula of Na2O·Al2O3·6SiO2Its theoretical chemical composition is Na2O：11.8％；Al2O3：19.4％；SiO2：68.8％。
A preparation method of a passive room inorganic wallboard specifically comprises the following steps:
(1) weighing the raw materials according to the weight part of the passive room inorganic wallboard;
(2) heating and melting all the raw materials weighed in the step (1) to obtain molten glass;
(3) introducing the glass liquid obtained in the step (2) into a centrifugal disc, and then spraying the glass liquid out through small holes in the side wall of the centrifugal disc to obtain glass trickle;
(4) carrying out blowing and stretching on the glass trickle obtained in the step (3) by using high-temperature fuel gas to obtain glass fiber;
(5) opening the glass fiber obtained in the step (4) to obtain glass wool, and sending the glass wool into a carding machine for carding;
(6) and (5) lapping, pressing, baking and forming the carded glass wool obtained in the step (5) to obtain the finished product of the inorganic wallboard of the passive house.
Further, in the step (2), the heating temperature is 1500-1800 ℃.
Further, in the step (3), the rotating speed of the centrifugal disc is 2000-3000 r/min, and the diameter of the side wall small hole is 0.4-0.6 mm.
Further, in the step (4), the diameter of the glass fiber is 0.5 to 3.0 μm.
Further, in the step (6), the pressing and baking temperature is 500-600 ℃, and the pressure is 0.05-0.1 MPa.
According to the technical scheme, compared with the prior art, the passive room inorganic wallboard and the preparation method thereof have the following beneficial effects:
1. the finished glass fiber has higher aluminum content, is not easy to absorb moisture and has more lasting heat preservation performance;
2. the finished glass fiber has a small diameter and a large specific surface area, so that air does not flow, the thermal resistance is large, and the thermal conductivity coefficient is low;
3. the passive room inorganic wallboard prepared by the method has the advantages of smooth surface, uniform structure and low heat conductivity coefficient.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The passive house inorganic wallboard is prepared from the following raw materials in parts by weight: 200kg of pyrophyllite, 120kg of quick lime, 60kg of quartz sand, 20kg of borocalcite, 10kg of mirabilite and 1kg of sodium carbonate.
The preparation method specifically comprises the following steps:
(1) weighing the raw materials according to the parts by weight of the passive room inorganic wallboard;
(2) heating all the raw materials weighed in the step (1) to 1500 ℃ for melting to obtain glass liquid;
(3) introducing the glass liquid obtained in the step (2) into a centrifugal disc with the rotating speed of 2000r/min, and then spraying the glass liquid out through a side wall small hole with the diameter of 0.4mm of the centrifugal disc to obtain glass trickle;
(4) carrying out blowing and stretching on the glass trickle obtained in the step (3) by using high-temperature fuel gas to obtain glass fiber with the diameter of 0.5 mu m;
(5) opening the glass fiber obtained in the step (4) to obtain glass wool, and sending the glass wool into a carding machine for carding;
(6) and (5) lapping the carded glass wool obtained in the step (5), pressing and baking at 500 ℃ and 0.05MPa, and forming to obtain the finished product of the passive room inorganic wallboard.
Example 2
The passive house inorganic wallboard is prepared from the following raw materials in parts by weight: 250kg of pyrophyllite, 140kg of quick lime, 70kg of quartz sand, 25kg of borocalcite, 15kg of mirabilite and 3kg of sodium carbonate.
The preparation method specifically comprises the following steps:
(1) weighing the raw materials according to the parts by weight of the passive room inorganic wallboard;
(2) heating all the raw materials weighed in the step (1) to 1600 ℃ for melting to obtain glass liquid;
(3) introducing the glass liquid obtained in the step (2) into a centrifugal disc with the rotating speed of 2500r/min, and then spraying the glass liquid out through a small hole on the side wall of the centrifugal disc with the diameter of 0.5mm to obtain glass trickle;
(4) carrying out blowing and stretching on the glass trickle obtained in the step (3) by using high-temperature fuel gas to obtain glass fiber with the diameter of 1.0 mu m;
(5) opening the glass fiber obtained in the step (4) to obtain glass wool, and sending the glass wool into a carding machine for carding;
(6) and (5) lapping the carded glass wool obtained in the step (5), pressing and baking at 550 ℃ and 0.08MPa, and forming to obtain the finished product of the passive room inorganic wallboard.
Example 3
The passive house inorganic wallboard is prepared from the following raw materials in parts by weight: 300kg of pyrophyllite, 150kg of quick lime, 80kg of quartz sand, 30kg of borobainitic, 20kg of mirabilite and 5kg of sodium carbonate.
The preparation method specifically comprises the following steps:
(1) weighing the raw materials according to the parts by weight of the passive room inorganic wallboard;
(2) heating all the raw materials weighed in the step (1) to 1800 ℃ for melting to obtain molten glass;
(3) introducing the glass liquid obtained in the step (2) into a centrifugal disc with the rotating speed of 3000r/min, and then spraying the glass liquid out through a side wall small hole with the diameter of 0.6mm of the centrifugal disc to obtain glass trickle;
(4) carrying out blowing and stretching on the glass trickle obtained in the step (3) by using high-temperature fuel gas to obtain glass fiber with the diameter of 3.0 mu m;
(5) opening the glass fiber obtained in the step (4) to obtain glass wool, and sending the glass wool into a carding machine for carding;
(6) and (5) lapping the carded glass wool obtained in the step (5), pressing and baking at 600 ℃ and 0.1MPa, and forming to obtain the finished product of the passive room inorganic wallboard.
Performance testing
The finished inorganic wallboard of passive house prepared in each of examples 1 to 3 was measured for thermal conductivity, material density, maximum temperature and thermal load shrinkage temperature, and compared with the commercially available EPS polystyrene board, and the results are shown in Table 1.
TABLE 1 comparison of the Performance of inorganic wallboard finished product of passive house with that of common EPS polystyrene board
As can be seen from Table 1, the properties of the finished passive room inorganic wallboard products prepared in the embodiments 1-3 of the present invention are better than those of the common EPS polystyrene board sold in the market in terms of thermal conductivity, material density, maximum bearing temperature, thermal load shrinkage temperature, etc., wherein the embodiment 2 is the best embodiment.
In conclusion, the inorganic wallboard for the passive house, prepared by the invention, has the characteristics of heat preservation, high temperature resistance, non-combustion, corrosion resistance, good heat insulation and sound insulation, high tensile strength, good electrical insulation and the like, has a long service life, and particularly meets the application of indoor sound insulation, heat preservation and the like of passive house buildings and civil buildings.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The inorganic wallboard of the passive house is characterized by being prepared from the following raw materials in parts by weight: 200-300 parts of aluminosilicate, 120-150 parts of quicklime, 60-80 parts of quartz sand, 20-30 parts of borocalcite, 10-20 parts of mirabilite and 1-5 parts of sodium carbonate.
2. The inorganic wallboard of a passive house of claim 1, characterized by being made of the following raw materials in parts by weight: 250 parts of aluminosilicate, 140 parts of quicklime, 70 parts of quartz sand, 25 parts of borobainitic stone, 15 parts of mirabilite and 3 parts of soda ash.
3. A passive room inorganic wall panel according to claim 1 or 2, wherein the aluminosilicate is any one or a mixture of pyrophyllite, orthoclase, kaolin.
4. A passive room inorganic wallboard according to claim 1 or 2, wherein the quicklime is anorthite or limestone.
5. The inorganic wallboard of claim 1 or 2, wherein said salt cake is albite.
6. A preparation method of a passive room inorganic wallboard is characterized by comprising the following steps:
(1) weighing the raw materials according to the parts by weight of the passive room inorganic wallboard of any one of claims 1-5;
(2) heating and melting all the raw materials weighed in the step (1) to obtain molten glass;
(3) introducing the glass liquid obtained in the step (2) into a centrifugal disc, and then spraying the glass liquid out through small holes in the side wall of the centrifugal disc to obtain glass trickle;
(4) carrying out blowing and stretching on the glass trickle obtained in the step (3) by using high-temperature fuel gas to obtain glass fiber;
(5) opening the glass fiber obtained in the step (4) to obtain glass wool, and sending the glass wool into a carding machine for carding;
(6) and (5) lapping, pressing, baking and forming the carded glass wool obtained in the step (5) to obtain the finished product of the inorganic wallboard of the passive house.
7. The method for preparing inorganic wallboard of passive house according to claim 6, wherein the heating temperature in step (2) is 1500-1800 ℃.
8. The method for preparing inorganic wallboard of passive house according to claim 6, wherein in step (3), the rotation speed of the centrifugal disc is 2000-3000 r/min, and the diameter of the small hole on the side wall is 0.4-0.6 mm.
9. The method for preparing inorganic wallboard of passive house according to claim 6, wherein in the step (4), the diameter of the glass fiber is 0.5-3.0 μm.
10. The method for preparing the inorganic wallboard of the passive house according to claim 6, wherein in the step (6), the temperature of the pressing and baking is 500-600 ℃, and the pressure is 0.05-0.1 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360216.4A CN111517644A (en) | 2020-04-30 | 2020-04-30 | Passive room inorganic wallboard and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010360216.4A CN111517644A (en) | 2020-04-30 | 2020-04-30 | Passive room inorganic wallboard and preparation method thereof |
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| CN111517644A true CN111517644A (en) | 2020-08-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112553778A (en) * | 2020-12-10 | 2021-03-26 | 江西天滤新材料股份有限公司 | Non-woven fabric with noise reduction and heat insulation functions and manufacturing method thereof |
| US11958308B1 (en) | 2023-05-31 | 2024-04-16 | G13 Innovation In Production Ltd | Thermal paper, and methods and systems for forming the same |
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| CN107601910A (en) * | 2017-10-30 | 2018-01-19 | 安徽丹凤集团桐城玻璃纤维有限公司 | A kind of composite glass fiber |
| CN109180009A (en) * | 2018-09-21 | 2019-01-11 | 清远忠信世纪玻纤有限公司 | A kind of high strength glass fiber and preparation method thereof |
| US20190249817A1 (en) * | 2016-09-16 | 2019-08-15 | Saint-Gobain Isover | Glass wool, and vacuum heat insulation material using same |
| CN110593522A (en) * | 2019-09-18 | 2019-12-20 | 安徽理工大学 | Passive room made based on recycling of solid waste |
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| CN105060725A (en) * | 2015-08-20 | 2015-11-18 | 重庆再升科技股份有限公司 | BDF board and manufacturing method and application thereof |
| US20190249817A1 (en) * | 2016-09-16 | 2019-08-15 | Saint-Gobain Isover | Glass wool, and vacuum heat insulation material using same |
| CN107601910A (en) * | 2017-10-30 | 2018-01-19 | 安徽丹凤集团桐城玻璃纤维有限公司 | A kind of composite glass fiber |
| CN109180009A (en) * | 2018-09-21 | 2019-01-11 | 清远忠信世纪玻纤有限公司 | A kind of high strength glass fiber and preparation method thereof |
| CN110593522A (en) * | 2019-09-18 | 2019-12-20 | 安徽理工大学 | Passive room made based on recycling of solid waste |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112553778A (en) * | 2020-12-10 | 2021-03-26 | 江西天滤新材料股份有限公司 | Non-woven fabric with noise reduction and heat insulation functions and manufacturing method thereof |
| US11958308B1 (en) | 2023-05-31 | 2024-04-16 | G13 Innovation In Production Ltd | Thermal paper, and methods and systems for forming the same |
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Application publication date: 20200811 |