CN113185252A - Fireproof heat-insulation powder and preparation method thereof - Google Patents
Fireproof heat-insulation powder and preparation method thereof Download PDFInfo
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- CN113185252A CN113185252A CN202110604029.0A CN202110604029A CN113185252A CN 113185252 A CN113185252 A CN 113185252A CN 202110604029 A CN202110604029 A CN 202110604029A CN 113185252 A CN113185252 A CN 113185252A
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- diatomite
- perlite
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a fireproof heat-insulation powder material, which comprises the following components in percentage by weight: 5% -30% of plant fiber; 1% -5% of cellulose; 60% -80% of one or two of perlite and vitrified micro bubbles; 5% -10% of adhesive dry powder; 4 to 10 percent of diatomite. The preparation method comprises the following steps: s1, preparing a medium-speed powder stirrer with a closed stirring chamber, preparing any one or two of plant fiber, cellulose, perlite and vitrified micro bubbles according to the weight percentage, dry adhesive powder and 4% of diatomite; s2, placing the plant fiber and the cellulose into a stirring chamber, and uniformly stirring at a medium speed; s3, adding the dry adhesive powder into a stirring chamber, and stirring and mixing the dry adhesive powder and the powder stirred in the S2 at a medium speed; s4, adding the diatomite into the stirring chamber, and stirring and mixing the diatomite and the powder stirred in the S3 at a medium speed; and S5, adding the perlite into the stirring chamber, and stirring and mixing the perlite and the powder stirred in the S4 at a medium speed to obtain the fireproof heat-insulation powder. The invention has low thermal conductivity coefficient and environmental protection, and is suitable for the thermal insulation engineering of building wall surfaces.
Description
Technical Field
The invention relates to the technical field of fireproof heat-insulating materials, in particular to fireproof heat-insulating powder and a preparation method thereof.
Background
In recent years, fire disasters frequently occur, and particularly in building houses, fire prevention, heat insulation and heat preservation are particularly important. With the development of society, buildings of high-rise buildings are more and more common, and when residents on high floors are threatened by fire, the escape time is further shortened than that of the residents on low floors. Therefore, the material with good heat insulation performance of the fireproof bag is urgently needed to be solved in the building of a high-rise building. Moreover, most of the existing fireproof heat-insulating materials adopt asbestos fibers and glass fibers, and the fireproof heat-insulating materials have large stimulation to human bodies, are not environment-friendly and have unsatisfactory heat-insulating performance. And the fireproof heat-insulating materials are all in the form of liquid or slurry, so that the storage and the transportation are inconvenient.
Disclosure of Invention
The invention aims to provide the fireproof heat-insulation powder material which is environment-friendly, good in heat-insulation performance and convenient to transport.
The latter purpose of the invention is to provide a preparation method of the fireproof heat-insulation powder material which is convenient to prepare and uniformly mixed.
In order to realize the former purpose of the invention, the technical scheme of the invention is as follows: a fire-proof heat-insulating powder material comprises one or two of plant fiber, cellulose, perlite and vitrified micro bubbles, adhesive dry powder and diatomite;
the components are as follows by weight percent: 5% -30% of plant fiber; 1% -5% of cellulose; 60% -80% of one or two of perlite and vitrified micro bubbles; 5% -10% of adhesive dry powder; 4 to 10 percent of diatomite.
Preferably, the fireproof heat-insulation powder comprises the following components in percentage by weight: 5% of plant fiber; 1% of cellulose; 80% of one or two of perlite and vitrified micro bubbles; 10% of dry adhesive powder; 4 percent of diatomite.
Preferably, the fireproof heat-insulation powder is characterized by comprising the following components in percentage by weight: 30% of plant fiber; 1% of cellulose; 60% of one or two of perlite and vitrified micro bubbles; 5% of adhesive dry powder; 4 percent of diatomite.
Preferably, the binder dry powder is a cement dry powder or a gypsum powder.
In order to achieve the latter purpose of the invention, the technical scheme of the invention is as follows: a preparation method of fireproof heat-insulation powder is characterized by comprising the following steps: s1, preparing a medium-speed powder stirrer with a closed stirring chamber, preparing any one or two combinations of plant fiber, cellulose, perlite and vitrified micro bubbles according to the weight percentage of the right 1, dry powder of an adhesive and 4% of diatomite; s2, placing the plant fiber and the cellulose into a stirring chamber, and uniformly stirring at a medium speed; s3, adding the dry adhesive powder into a stirring chamber, and stirring and mixing the dry adhesive powder and the powder stirred in the S2 at a medium speed; s4, adding the diatomite into the stirring chamber, and stirring and mixing the diatomite and the powder stirred in the S3 at a medium speed; and S5, adding the perlite into the stirring chamber, and stirring and mixing the perlite and the powder stirred in the S4 at a medium speed to obtain the fireproof heat-insulation powder.
Preferably, the preparation method of the fireproof heat-insulation powder is characterized by comprising the following steps: s1, preparing a medium-speed powder stirrer with a closed stirring chamber, and preparing 5% of plant fiber, 1% of cellulose, 80% of perlite, 10% of cement dry powder and 4% of diatomite according to weight percentage; s2, placing 5% of plant fiber and 1% of cellulose into a stirring chamber, and uniformly stirring at a medium speed; s3, adding 10% of cement dry powder into the stirring chamber, and stirring and mixing the cement dry powder and the powder stirred in the S2 at a medium speed; s4, adding 4% of diatomite into the stirring chamber, and stirring and mixing the diatomite and the powder stirred in the S3 at a medium speed; s5, adding 80% of perlite into the stirring chamber, and stirring and mixing the perlite and the powder stirred in the S4 at a medium speed to obtain the fireproof heat-insulation powder.
Preferably, the preparation method of the fireproof heat-insulation powder is characterized by comprising the following steps: s1, preparing a medium-speed powder stirrer with a sealed stirring chamber, and preparing 30% of plant fiber, 1% of cellulose, 60% of vitrified micro bubbles, 5% of gypsum powder and 4% of diatomite according to the weight percentage; s2, placing 30% of plant fiber and 1% of cellulose into a stirring chamber, and uniformly stirring at a medium speed; s3, adding 5% of gypsum powder into the stirring chamber, and stirring and mixing the gypsum powder and the powder stirred in the S2 at a medium speed; s4, adding 4% of diatomite into the stirring chamber, and stirring and mixing the diatomite and the powder stirred in the S3 at a medium speed; and S5, adding 60% of vitrified micro bubbles into a stirring chamber, and stirring and mixing the vitrified micro bubbles and the powder stirred in the S4 at a medium speed to obtain the fireproof heat-insulation powder.
When the powder material is used specifically, a user can stir and mix the powder material and water according to the instruction in a weight ratio of 1:2-3 to form slurry for use.
The invention has the beneficial effects that:
the fireproof heat-insulation powder material does not contain asbestos and glass fiber costs of the traditional fireproof heat-insulation material, adopts organic plant fiber for environmental protection, and completely meets the national environmental protection safety standard; moreover, the material has low thermal conductivity of only 0.056W/m.K, so that the material is only 1/3 of the traditional material in industrial or building heat insulation engineering. The product of the invention can be widely applied to: petroleum, chemical industry, electric power, metallurgy, building and other fields. And the finished product is in a dry powder state, and is convenient to store and transport. The powder preparation method of the invention adopts medium-speed mixing in a closed chamber, has uniform mixing and high production efficiency, and simultaneously prevents the dust from polluting the environment in the stirring process.
Detailed Description
The fireproof heat-insulating powder comprises the components of any one or two of plant fiber, cellulose, perlite and vitrified micro bubbles, adhesive dry powder and diatomite; the components are as follows by weight percent: 5% -30% of plant fiber; 1% -5% of cellulose; 60% -80% of one or two of perlite and vitrified micro bubbles; 5% -10% of adhesive dry powder; 4 to 10 percent of diatomite. The preparation method comprises the following steps: s1, preparing a medium-speed powder stirrer with a closed stirring chamber, preparing any one or two of plant fiber, cellulose, perlite and vitrified micro bubbles according to the weight percentage, dry adhesive powder and 4% of diatomite; s2, placing the plant fiber and the cellulose into a stirring chamber, and uniformly stirring at a medium speed; s3, adding the dry adhesive powder into a stirring chamber, and stirring and mixing the dry adhesive powder and the powder stirred in the S2 at a medium speed; and S5, adding the perlite into the stirring chamber, and stirring and mixing the perlite and the powder stirred in the S4 at a medium speed to obtain the fireproof heat-insulation powder.
Preferably, the binder dry powder is a cement dry powder or a gypsum powder.
When the powder material is used specifically, a user stirs and mixes the powder material and water according to the weight ratio of 1:2-3 to form slurry according to the instruction of the specification.
The first embodiment is as follows: the fireproof heat-insulation powder comprises the following components in percentage by weight: 5% of plant fiber; 1% of cellulose; 80% of perlite; 10% of dry adhesive powder; 4 percent of diatomite. The preparation method of the fireproof heat-insulation powder comprises the following steps: s1, preparing a medium-speed powder stirrer with a closed stirring chamber, and preparing 5% of plant fiber, 1% of cellulose, 80% of perlite, 10% of cement dry powder and 4% of diatomite according to weight percentage; s2, placing 5% of plant fiber and 1% of cellulose into a stirring chamber, and uniformly stirring at a medium speed; s3, adding 10% of cement dry powder into the stirring chamber, and stirring and mixing the cement dry powder and the powder stirred in the S2 at a medium speed; s4, adding 4% of diatomite into the stirring chamber, and stirring and mixing the diatomite and the powder stirred in the S3 at a medium speed; s5, adding 80% of perlite into the stirring chamber, and stirring and mixing the perlite and the powder stirred in the S4 at a medium speed to obtain the fireproof heat-insulation powder.
Mixing the finished powder with water according to a ratio of 1:2.5 to form fireproof heat-insulating heat-preserving slurry, detecting by using a Perkin Elmer Avio 500 inductively coupled plasma emission spectrometer, and obtaining detection data according to reference GB18582-2020 Limited amount of harmful substances in wall paint for buildings. From the detection result, the fireproof heat-insulation powder material completely meets the environmental protection standard.
Table one:
the fireproof heat-insulation slurry is prepared into a fireproof heat-insulation plate with the thickness of 300mm multiplied by 10mm, and the detection is carried out according to GB/T20473-2006, so that the detection conclusion is obtained: the thermal conductivity coefficient (average temperature 25 ℃) is tested, and the test result is 0.056W/m.K.
From the above detection data, the fireproof heat-insulation powder material has strong environmental protection property and low heat conductivity coefficient, and is suitable for building heat-insulation engineering.
Example two: the fireproof heat-insulation powder comprises the following components in percentage by weight: 30% of plant fiber; 1% of cellulose; 60% of vitrified micro bubbles; 5% of adhesive dry powder; 4 percent of diatomite. The preparation method comprises the following steps: s1, preparing a medium-speed powder stirrer with a sealed stirring chamber, and preparing 30% of plant fiber, 1% of cellulose, 60% of vitrified micro bubbles, 5% of gypsum powder and 4% of diatomite according to the weight percentage; s2, placing 30% of plant fiber and 1% of cellulose into a stirring chamber, and uniformly stirring at a medium speed; s3, adding 5% of gypsum powder into the stirring chamber, and stirring and mixing the gypsum powder and the powder stirred in the S2 at a medium speed; s4, adding 4% of diatomite into the stirring chamber, and stirring and mixing the diatomite and the powder stirred in the S3 at a medium speed; and S5, adding 60% of vitrified micro bubbles into a stirring chamber, and stirring and mixing the vitrified micro bubbles and the powder stirred in the S4 at a medium speed to obtain the fireproof heat-insulation powder.
Mixing the finished powder with water according to a ratio of 1:2.5 to form fireproof heat-insulating heat-preserving slurry, detecting by using a Perkin Elmer Avio 500 inductively coupled plasma emission spectrometer, and obtaining detection data according to reference GB18582-2020 limit on harmful substances in wall coatings for buildings. From the detection result, the fireproof heat-insulation powder material completely meets the environmental protection standard.
The fireproof heat-insulation slurry is prepared into a fireproof heat-insulation plate with the thickness of 300mm multiplied by 10mm, and the detection is carried out according to GB/T20473-2006, so that the detection conclusion is obtained: the thermal conductivity coefficient (average temperature 25 ℃) is tested, and the test result is 0.056W/m.K.
Example three: the fireproof heat-insulation powder comprises the following components in percentage by weight: 20% of plant fiber; 5% of cellulose; 60% of perlite and vitrified microsphere composition; 5% of cement dry powder; 10 percent of diatomite. The same preparation method is carried out according to the operation of the first embodiment and the detection mode of the first embodiment, and the detection result shown in the table is obtained, and the thermal conductivity is 0.056W/m.K.
Example four: the fireproof heat-insulation powder comprises the following components in percentage by weight: 15% of plant fiber; 5% of cellulose; 65% of perlite; 10% of cement dry powder; 5 percent of diatomite. The same preparation method is carried out according to the operation of the first embodiment and the detection mode of the first embodiment, and the detection result shown in the table is obtained, and the thermal conductivity is 0.056W/m.K.
The fireproof heat-insulation powder material does not contain asbestos and glass fiber costs of the traditional fireproof heat-insulation material, adopts organic plant fiber for environmental protection, and completely meets the national environmental protection safety standard; moreover, the material has low thermal conductivity of only 0.056W/m.K, so that the material is only 1/3 of the traditional material in industrial or building heat insulation engineering. The product of the invention can be widely applied to: petroleum, chemical industry, electric power, metallurgy, building and other fields. And the finished product is in a dry powder state, and is convenient to store and transport. The powder preparation method of the invention adopts medium-speed mixing in a closed chamber, and has uniform mixing and high production efficiency.
The above is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, modifications or equivalent substitutions of the technical solution of the present invention without inventive work may be made without departing from the scope of the present invention.
Claims (7)
1. The fireproof heat-insulating powder is characterized in that: comprises the components of one or two of plant fiber, cellulose, perlite and vitrified micro bubbles, adhesive dry powder and diatomite;
the components are as follows by weight percent:
5% -30% of plant fiber;
1% -5% of cellulose;
60% -80% of one or two of perlite and vitrified micro bubbles;
5% -10% of adhesive dry powder;
4 to 10 percent of diatomite.
2. The fireproof heat-insulation powder material according to claim 1, which is characterized by comprising the following components in percentage by weight:
5% of plant fiber;
1% of cellulose;
80% of one or two of perlite and vitrified micro bubbles;
10% of dry adhesive powder;
4 percent of diatomite.
3. The fireproof heat-insulation powder material according to claim 1, which is characterized by comprising the following components in percentage by weight:
30% of plant fiber;
1% of cellulose;
60% of one or two of perlite and vitrified micro bubbles;
5% of adhesive dry powder;
4 percent of diatomite.
4. The fireproof heat-insulating powder material as claimed in claim 1, wherein: the binder dry powder is cement dry powder or gypsum powder or a mixture of the cement dry powder and the gypsum powder.
5. The preparation method of the fireproof heat-insulation powder material according to claim 1, which is characterized by comprising the following steps:
s1, preparing a medium-speed powder stirrer with a closed stirring chamber, preparing any one or two combinations of plant fiber, cellulose, perlite and vitrified micro bubbles according to the weight percentage of the right 1, dry powder of an adhesive and 4% of diatomite;
s2, placing the plant fiber and the cellulose into a stirring chamber, and uniformly stirring at a medium speed;
s3, adding the dry adhesive powder into a stirring chamber, and stirring and mixing the dry adhesive powder and the powder stirred in the S2 at a medium speed;
s4, adding the diatomite into the stirring chamber, and stirring and mixing the diatomite and the powder stirred in the S3 at a medium speed;
and S5, adding the perlite into the stirring chamber, and stirring and mixing the perlite and the powder stirred in the S4 at a medium speed to obtain the fireproof heat-insulation powder.
6. The preparation method of the fireproof heat-insulation powder material according to claim 1, which is characterized by comprising the following steps:
s1, preparing a medium-speed powder stirrer with a closed stirring chamber, and preparing 5% of plant fiber, 1% of cellulose, 80% of perlite, 10% of cement dry powder and 4% of diatomite according to weight percentage;
s2, placing 5% of plant fiber and 1% of cellulose into a stirring chamber, and uniformly stirring at a medium speed;
s3, adding 10% of cement dry powder into the stirring chamber, and stirring and mixing the cement dry powder and the powder stirred in the S2 at a medium speed;
s4, adding 4% of diatomite into the stirring chamber, and stirring and mixing the diatomite and the powder stirred in the S3 at a medium speed;
s5, adding 80% of perlite into the stirring chamber, and stirring and mixing the perlite and the powder stirred in the S4 at a medium speed to obtain the fireproof heat-insulation powder.
7. The preparation method of the fireproof heat-insulation powder material according to claim 1, which is characterized by comprising the following steps:
s1, preparing a medium-speed powder stirrer with a sealed stirring chamber, and preparing 30% of plant fiber, 1% of cellulose, 60% of vitrified micro bubbles, 5% of gypsum powder and 4% of diatomite according to the weight percentage;
s2, placing 30% of plant fiber and 1% of cellulose into a stirring chamber, and uniformly stirring at a medium speed;
s3, adding 5% of gypsum powder into the stirring chamber, and stirring and mixing the gypsum powder and the powder stirred in the S2 at a medium speed;
s4, adding 4% of diatomite into the stirring chamber, and stirring and mixing the diatomite and the powder stirred in the S3 at a medium speed;
and S5, adding 60% of vitrified micro bubbles into a stirring chamber, and stirring and mixing the vitrified micro bubbles and the powder stirred in the S4 at a medium speed to obtain the fireproof heat-insulation powder.
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Citations (7)
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| JPS53112924A (en) * | 1977-03-11 | 1978-10-02 | Takeda Chemical Industries Ltd | Rheopexic water glass composition |
| CN104649641A (en) * | 2015-02-09 | 2015-05-27 | 同济大学 | Chopped straw fiber-toughened inorganic thermal insulation mortar and using method thereof |
| CN105272075A (en) * | 2015-09-12 | 2016-01-27 | 宁波申泰干粉建材有限公司 | Fire retardant insulation dry powder mortar and preparation method thereof |
| CN105272343A (en) * | 2015-11-12 | 2016-01-27 | 天元建设集团有限公司 | Environmentally friendly heat-insulation fireproof mortar and preparation method thereof |
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| CN108046695A (en) * | 2017-12-12 | 2018-05-18 | 安徽四建控股集团有限公司 | Glass bead insulation plate and its processing method |
-
2021
- 2021-05-31 CN CN202110604029.0A patent/CN113185252A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| JPS53112924A (en) * | 1977-03-11 | 1978-10-02 | Takeda Chemical Industries Ltd | Rheopexic water glass composition |
| CN104649641A (en) * | 2015-02-09 | 2015-05-27 | 同济大学 | Chopped straw fiber-toughened inorganic thermal insulation mortar and using method thereof |
| CN105272075A (en) * | 2015-09-12 | 2016-01-27 | 宁波申泰干粉建材有限公司 | Fire retardant insulation dry powder mortar and preparation method thereof |
| CN105272343A (en) * | 2015-11-12 | 2016-01-27 | 天元建设集团有限公司 | Environmentally friendly heat-insulation fireproof mortar and preparation method thereof |
| CN106186757A (en) * | 2016-07-01 | 2016-12-07 | 卓达新材料科技集团威海股份有限公司 | A kind of thermal insulation building Binder Materials |
| CN106927742A (en) * | 2017-03-06 | 2017-07-07 | 安徽键合科技有限公司 | A kind of environmentally friendly soundproof construction composition and preparation method thereof |
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