CN104072083A - Inorganic thermal insulation material containing silicon dioxide and preparation method of inorganic thermal insulation material - Google Patents

Inorganic thermal insulation material containing silicon dioxide and preparation method of inorganic thermal insulation material Download PDF

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Publication number
CN104072083A
CN104072083A CN201410315764.XA CN201410315764A CN104072083A CN 104072083 A CN104072083 A CN 104072083A CN 201410315764 A CN201410315764 A CN 201410315764A CN 104072083 A CN104072083 A CN 104072083A
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parts
insulation material
thermal insulation
heat insulation
inorganic heat
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CN104072083B (en
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李春松
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Qingdao New Mstar Technology Ltd
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Abstract

The invention discloses an inorganic thermal insulation material containing silicon dioxide and a preparation method of the inorganic thermal insulation material. The inorganic thermal insulation material comprises silicon dioxide, expanded perlite, magnesium oxide, sodium silicate, potassium silicate, stone waste, gypsum powder, polypropylene fiber, sodium carboxymethyl cellulose and calcium hydroxide. The preparation method comprises the following steps: preparing 1% sodium carboxymethyl cellulose aqueous liquor from sodium carboxymethyl cellulose, adding sodium silicate, potassium silicate, magnesium oxide and calcium hydroxide, and sufficiently stirring to obtain a gel material; placing the silicon dioxide, the expanded perlite, the stone waste, the gypsum powder and the polypropylene fiber in a mixer in proportion and stirring and mixing, then, placing in a ball mill for wet-process ball-milling and re-crushing, standing obtained slurry to remove upper-layer water and then sufficiently mixing uniformly with the gel material, and placing in a dryer for drying to obtain the inorganic thermal insulation material. The inorganic thermal insulation material disclosed by the invention is reasonable in formula, materials are easy to obtain, cost is lower, and the preparation method is simple; the prepared thermal insulation material is non-toxic and tasteless, green and environment-friendly, and good in thermal insulation effect.

Description

A kind of silica containing inorganic heat insulation material and preparation method thereof
Technical field
The present invention relates to a kind of silica containing inorganic heat insulation material and preparation method thereof, belong to inorganic heat insulation material field.
Background technology
Inorganic heat insulation material has energy-conserving profit waste, heat insulating, antifreeze, the ageing-resistant feature such as excellent properties and cheap price of fire prevention, has the market requirement widely.Inorganic heat insulation material unit weight is slightly large, heat preservation hot less efficient, but fire protection flame retarding, deformation coefficient is little, anti-aging, stable performance, be combined better with plinth course and float coat, safety and firmness is good, and thermal insulation layer intensity and weather resistance are higher than organic insulation material, long service life, difficulty of construction is little, engineering cost is lower, and eco-environmental prote is good, can cycling and reutilization.The following development along with low-carbon economy, the building energy conservation of China requires more and more to come high, and the application of inorganic heat insulation material also will be more and more extensive.
Application number is that 201310014752.9 " a kind of inorganic heat insulation materials and preparation method thereof " disclose a kind of inorganic heat insulation material, is infiltrated to obtaining on glass mat by aerosil, soluble silicate, tin-antiomony oxide, hollow glass micropearl and Dodecyl trimethyl ammonium chloride after coupling agent modified.This invention has good water resisting property, good heat insulating, but cost is high, is not suitable for applying on a large scale.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, inorganic heat insulation material of a kind of high insulating effect and preparation method thereof is provided.
The present invention is achieved through the following technical solutions:
A kind of silica containing inorganic heat insulation material, by weight percentage, comprise silicon-dioxide 30-50 part, pearlstone 16-30 part, magnesium oxide 6-12 part, water glass 12-18 part, potassium silicate 12-18 part, aggregate chips 3-7 part, terra alba 2-5 part, polypropylene fibre 3-6 part, Xylo-Mucine 5-10 part and calcium hydroxide 4-8 part; The granularity of described silicon-dioxide and pearlstone is 200 orders.
The silica containing inorganic heat insulation material of described one, described water glass and the weight ratio of potassium silicate are 1: 1.
The silica containing inorganic heat insulation material of described one, by weight percentage, comprise 6 parts, 42 parts of silicon-dioxide, 24 parts of pearlstones, 8 parts, magnesium oxide, 16 parts of water glass, 16 parts of potassium silicates, 5 parts of aggregate chips, 3 parts of terra albas, 4 parts of polypropylene fibres, 8 parts of Xylo-Mucines and calcium hydroxide.
The preparation method of described a kind of silica containing inorganic heat insulation material, Xylo-Mucine is mixed with to 1% sodium carboxymethyl cellulose solution, add water glass, potassium silicate, magnesium oxide and calcium hydroxide, fully stir, obtain gel material, by silicon-dioxide, pearlstone, aggregate chips, terra alba and polypropylene fibre are proportionally placed in mixing machine and are uniformly mixed, then being placed in ball mill wet ball grinding pulverizes again, the slurry obtaining is left standstill after pumping upper strata moisture and fully mixed with gel material, be placed in dryer, under 70-80 DEG C of condition, dry and obtain inorganic heat insulation material.
The preparation method of described a kind of silica containing inorganic heat insulation material, when ball milling, the weight ratio of material, water and ball is 1: 2-3: 4-5.
The preparation method of described a kind of silica containing inorganic heat insulation material, drying time is 6-8h.
Expanded perlite thermal-nsulation is effective, but its maximum operation (service) temperature is 800 DEG C, and poor water resistance, so content is too much unsuitable, magnesium oxide has extremely fireproof insulating property, but easily absorb moisture and carbonic acid gas, so magnesium oxide can not be too much, otherwise water-intake rate variation, but can not be very few, otherwise flame retardant properties is not good, and silica chemistry is stable, there is strong adsorptivity, can be adsorbed on pearlstone and magnesian surrounding, prevent that pearlstone and magnesium oxide from absorbing moisture, cause material property to reduce.
Add polypropylene fibre can improve the ultimate compression strength of material, fully stick together by water glass, potassium silicate and Xylo-Mucine, ensure homogeneity and the stability of material.
Beneficial effect of the present invention is as follows:
The present invention adopts inorganics as raw material, and formula is reasonable, and raw material all easily obtains, cost is lower, preparation method is simple, and the lagging material preparing is nonpoisonous and tasteless, environmental protection, high insulating effect, its thermal conductivity is 0.01-0.08w/ (m.k), and burning grade is A level, and maximum operation (service) temperature is 1000 DEG C, ultimate compression strength is 0.8-1.0MPa, and water-intake rate is less than or equal to 0.1%.
Embodiment
Embodiment 1
In the present embodiment, a kind of silica containing inorganic heat insulation material, by weight percentage, comprise 6 parts, 42 parts of silicon-dioxide, 24 parts of pearlstones, 8 parts, magnesium oxide, 16 parts of water glass, 16 parts of potassium silicates, 5 parts of aggregate chips, 3 parts of terra albas, 4 parts of polypropylene fibres, 8 parts of Xylo-Mucines and calcium hydroxide.
Xylo-Mucine is mixed with to 1% sodium carboxymethyl cellulose solution, adds water glass, potassium silicate, magnesium oxide and calcium hydroxide, fully stir, obtain gel material; Silicon-dioxide, pearlstone, aggregate chips, terra alba and polypropylene fibre are proportionally placed in to mixing machine to be uniformly mixed, then being placed in ball mill wet ball grinding pulverizes again, the slurry obtaining is left standstill after pumping upper strata moisture and fully mixed with gel material, be placed in dryer, under 80 DEG C of conditions, dry and obtain inorganic heat insulation material.Wherein, when ball milling, the weight ratio of material, water and ball is 1: 3: 5, and drying time is 8h.
Embodiment 2
In the present embodiment, a kind of silica containing inorganic heat insulation material, by weight percentage, comprise 4 parts, 30 parts of silicon-dioxide, 30 parts of pearlstones, 6 parts, magnesium oxide, 12 parts of water glass, 12 parts of potassium silicates, 3 parts of aggregate chips, 2 parts of terra albas, 6 parts of polypropylene fibres, 10 parts of Xylo-Mucines and calcium hydroxide; The granularity of described silicon-dioxide and pearlstone is 200 orders.
Xylo-Mucine is mixed with to 1% sodium carboxymethyl cellulose solution, add water glass, potassium silicate, magnesium oxide and calcium hydroxide, fully stir, obtain gel material, silicon-dioxide, pearlstone, aggregate chips, terra alba and polypropylene fibre are proportionally placed in to mixing machine to be uniformly mixed, then being placed in ball mill wet ball grinding pulverizes again, the slurry obtaining is left standstill after pumping upper strata moisture and fully mixed with gel material, be placed in dryer, under 70 DEG C of conditions, dry and obtain inorganic heat insulation material.Wherein, when ball milling, the weight ratio of material, water and ball is 1: 2: 4, and drying time is 6h.
Embodiment 3
In the present embodiment, a kind of silica containing inorganic heat insulation material, by weight percentage, comprise 8 parts, 50 parts of silicon-dioxide, 16 parts of pearlstones, 12 parts, magnesium oxide, 18 parts of water glass, 18 parts of potassium silicates, 7 parts of aggregate chips, 5 parts of terra albas, 3 parts of polypropylene fibres, 5 parts of Xylo-Mucines and calcium hydroxide; The granularity of described silicon-dioxide and pearlstone is 200 orders.
The preparation method of described a kind of silica containing inorganic heat insulation material, Xylo-Mucine is mixed with to 1% sodium carboxymethyl cellulose solution, add water glass, potassium silicate, magnesium oxide and calcium hydroxide, fully stir, obtain gel material, by silicon-dioxide, pearlstone, aggregate chips, terra alba and polypropylene fibre are proportionally placed in mixing machine and are uniformly mixed, then being placed in ball mill wet ball grinding pulverizes again, the slurry obtaining is left standstill after pumping upper strata moisture and fully mixed with gel material, be placed in dryer, under 70-80 DEG C of condition, dry and obtain inorganic heat insulation material.Wherein, when ball milling, the weight ratio of material, water and ball is 1: 3: 4, and drying time is 8h.
Comparative example 1
In this comparative example, a kind of silica containing inorganic heat insulation material, by weight percentage, comprise 10 parts, 60 parts of silicon-dioxide, 10 parts of pearlstones, 15 parts, magnesium oxide, 20 parts of water glass, 10 parts of potassium silicates, 10 parts of aggregate chips, 8 parts of terra albas, 10 parts of polypropylene fibres, 12 parts of Xylo-Mucines and calcium hydroxide.
The preparation method of described a kind of silica containing inorganic heat insulation material, Xylo-Mucine is mixed with to 1% sodium carboxymethyl cellulose solution, add water glass, potassium silicate, magnesium oxide and calcium hydroxide, fully stir, obtain gel material, by silicon-dioxide, pearlstone, aggregate chips, terra alba and polypropylene fibre are proportionally placed in mixing machine and are uniformly mixed, then being placed in ball mill wet ball grinding pulverizes again, the slurry obtaining is left standstill after pumping upper strata moisture and fully mixed with gel material, be placed in dryer, under 80 DEG C of conditions, dry and obtain inorganic heat insulation material.Wherein, when ball milling, the weight ratio of material, water and ball is 1: 4: 6, and drying time is 8h.
Comparative example, compared with embodiment 1,2,3, is the composition difference of each raw material, although there is no the effect of embodiment 1,2,3, still good than general performance of heat protective material, ultimate compression strength is high, and water-intake rate is low.
Comparative example 2
In the present embodiment, a kind of silica containing inorganic heat insulation material, by weight percentage, comprise 4 parts, 30 parts of silicon-dioxide, 30 parts of pearlstones, 6 parts, magnesium oxide, 12 parts of water glass, 12 parts of potassium silicates, 3 parts of aggregate chips, 2 parts of terra albas, 6 parts of polypropylene fibres, 10 parts of Xylo-Mucines and calcium hydroxide; The granularity of described silicon-dioxide and pearlstone is 200 orders.
Xylo-Mucine is mixed with to 1% sodium carboxymethyl cellulose solution, adds water glass, potassium silicate, magnesium oxide and calcium hydroxide, fully stir, obtain gel material; Silicon-dioxide, pearlstone, aggregate chips, terra alba and polypropylene fibre are proportionally placed in to mixing machine to be uniformly mixed, then being placed in ball mill wet ball grinding pulverizes again, the slurry obtaining is left standstill after pumping upper strata moisture and fully mixed with gel material, be placed in dryer, under 80 DEG C of conditions, dry and obtain inorganic heat insulation material.Wherein, when ball milling, the weight ratio of material, water and ball is 1: 4: 6, and drying time is 8h.
Comparative example 2 is different from embodiment 2 while being ball milling, the weight ratio of material, water and ball.
Comparative example 3
In the present embodiment, a kind of silica containing inorganic heat insulation material, by weight percentage, comprise 8 parts, 50 parts of silicon-dioxide, 16 parts of pearlstones, 12 parts, magnesium oxide, 18 parts of water glass, 18 parts of potassium silicates, 7 parts of aggregate chips, 5 parts of terra albas, 3 parts of polypropylene fibres, 5 parts of Xylo-Mucines and calcium hydroxide; The granularity of described silicon-dioxide and pearlstone is 200 orders.
By Xylo-Mucine, water glass, potassium silicate, magnesium oxide, calcium hydroxide, silicon-dioxide, pearlstone, aggregate chips, terra alba and polypropylene fibre be proportionally placed in to mixing machine be uniformly mixed, then being placed in ball mill wet ball grinding pulverizes again, the slurry obtaining is left standstill after pumping upper strata moisture and fully mixed with gel material, be placed in dryer, under 80 DEG C of conditions, dry and obtain inorganic heat insulation material.Wherein, when ball milling, the weight ratio of material, water and ball is 1: 3: 5, and drying time is 8h.
Comparative example 3 is pulverized after directly mixing from different being of embodiment 3.
The performance of the lagging material that each embodiment and comparative example obtain sees the following form:
? Thermal conductivity Burning grade Maximum operation (service) temperature Ultimate compression strength Water-intake rate
Embodiment 1 0.01w/(m.k) A level 1000℃ 1.0MPa 0.08%
Embodiment 2 0.05w/(m.k) A level 1000℃ 1.0MPa 0.1%
Embodiment 3 0.08w/(m.k) A level 1000℃ 0.8MPa 0.09%
Comparative example 1 0.15w/(m.k) B level 800℃ 0.5MPa 0.12%
Comparative example 2 0.15w/(m.k) B level 800℃ 0.3MPa 0.09%
Comparative example 3 0.15w/(m.k) B level 800℃ 0.8MPa 0.15%
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims (6)

1. a silica containing inorganic heat insulation material, it is characterized in that, by weight percentage, comprise silicon-dioxide 30-50 part, pearlstone 16-30 part, magnesium oxide 6-12 part, water glass 12-18 part, potassium silicate 12-18 part, aggregate chips 3-7 part, terra alba 2-5 part, polypropylene fibre 3-6 part, Xylo-Mucine 5-10 part and calcium hydroxide 4-8 part; The granularity of described silicon-dioxide and pearlstone is 200 orders.
2. the silica containing inorganic heat insulation material of one according to claim 1, is characterized in that, described water glass and the weight ratio of potassium silicate are 1: 1.
3. the silica containing inorganic heat insulation material of one according to claim 1, it is characterized in that, by weight percentage, comprise 6 parts, 42 parts of silicon-dioxide, 24 parts of pearlstones, 8 parts, magnesium oxide, 16 parts of water glass, 16 parts of potassium silicates, 5 parts of aggregate chips, 3 parts of terra albas, 4 parts of polypropylene fibres, 8 parts of Xylo-Mucines and calcium hydroxide.
4. the preparation method of a kind of silica containing inorganic heat insulation material according to claim 1, it is characterized in that, Xylo-Mucine is mixed with to 1% sodium carboxymethyl cellulose solution, add water glass, potassium silicate, magnesium oxide and calcium hydroxide, fully stir, obtain gel material, by silicon-dioxide, pearlstone, aggregate chips, terra alba and polypropylene fibre are proportionally placed in mixing machine and are uniformly mixed, then being placed in ball mill wet ball grinding pulverizes again, the slurry obtaining is left standstill after pumping upper strata moisture and fully mixed with gel material, be placed in dryer, under 70-80 DEG C of condition, dry and obtain inorganic heat insulation material.
5. the preparation method of a kind of silica containing inorganic heat insulation material according to claim 4, is characterized in that, when ball milling, the weight ratio of material, water and ball is 1: 2-3: 4-5.
6. the preparation method of a kind of silica containing inorganic heat insulation material according to claim 4, is characterized in that, drying time is 6-8h.
CN201410315764.XA 2014-06-27 2014-06-27 A kind of silica containing inorganic heat insulation material and preparation method thereof Active CN104072083B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105731879A (en) * 2014-12-12 2016-07-06 朱亚迪 Inorganic thermal insulation material and preparation method thereof
CN106116428A (en) * 2016-06-29 2016-11-16 合肥广能新材料科技有限公司 Silica containing inorganic heat insulation material and preparation method thereof
CN106187021A (en) * 2016-06-30 2016-12-07 合肥广能新材料科技有限公司 Inorganic heat insulation material and preparation method thereof
CN106747488A (en) * 2016-11-03 2017-05-31 联合矿产(天津)有限公司 By stabilized fire proofing composition
WO2019042105A1 (en) * 2017-09-01 2019-03-07 陆宇皇金建材(河源)有限公司 Sound insulation material, sound insulation plate, and partition structure of locomotive carriage
CN112441608A (en) * 2019-08-28 2021-03-05 西南科技大学 Preparation method of nano calcium hydroxide whisker
CN113896499A (en) * 2021-09-17 2022-01-07 西安欧盛达科技有限公司 Method for manufacturing novel heat-insulating fireproof material

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CN103265262A (en) * 2013-04-19 2013-08-28 安徽相变保温材料有限公司 Inorganic composite insulation board and preparation method thereof
CN103723991A (en) * 2013-12-12 2014-04-16 青岛无为保温材料有限公司 Novel thermal insulating and energy-saving material
CN103787642A (en) * 2013-12-12 2014-05-14 青岛无为保温材料有限公司 Efficient thermal insulation energy-saving material

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Publication number Priority date Publication date Assignee Title
CN103265262A (en) * 2013-04-19 2013-08-28 安徽相变保温材料有限公司 Inorganic composite insulation board and preparation method thereof
CN103723991A (en) * 2013-12-12 2014-04-16 青岛无为保温材料有限公司 Novel thermal insulating and energy-saving material
CN103787642A (en) * 2013-12-12 2014-05-14 青岛无为保温材料有限公司 Efficient thermal insulation energy-saving material

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105731879A (en) * 2014-12-12 2016-07-06 朱亚迪 Inorganic thermal insulation material and preparation method thereof
CN106116428A (en) * 2016-06-29 2016-11-16 合肥广能新材料科技有限公司 Silica containing inorganic heat insulation material and preparation method thereof
CN106187021A (en) * 2016-06-30 2016-12-07 合肥广能新材料科技有限公司 Inorganic heat insulation material and preparation method thereof
CN106747488A (en) * 2016-11-03 2017-05-31 联合矿产(天津)有限公司 By stabilized fire proofing composition
CN106747488B (en) * 2016-11-03 2019-09-27 联合矿产(天津)有限公司 By stabilized fire proofing composition
US11554994B2 (en) 2016-11-03 2023-01-17 Allied Mineral Products, Llc Stabilized refractory compositions
WO2019042105A1 (en) * 2017-09-01 2019-03-07 陆宇皇金建材(河源)有限公司 Sound insulation material, sound insulation plate, and partition structure of locomotive carriage
US11479508B2 (en) 2017-09-01 2022-10-25 Luyu Royal Gold Building Materials (Heyuan) Co., Ltd Sound insulating material, sound insulating plate and partition structure of train carriage
CN112441608A (en) * 2019-08-28 2021-03-05 西南科技大学 Preparation method of nano calcium hydroxide whisker
CN112441608B (en) * 2019-08-28 2023-06-16 西南科技大学 Preparation method of nano calcium hydroxide whisker
CN113896499A (en) * 2021-09-17 2022-01-07 西安欧盛达科技有限公司 Method for manufacturing novel heat-insulating fireproof material

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