CN104692748A - Lightweight composite thermal insulation material - Google Patents
Lightweight composite thermal insulation material Download PDFInfo
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- CN104692748A CN104692748A CN201510079786.5A CN201510079786A CN104692748A CN 104692748 A CN104692748 A CN 104692748A CN 201510079786 A CN201510079786 A CN 201510079786A CN 104692748 A CN104692748 A CN 104692748A
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Abstract
The invention discloses a lightweight composite thermal insulation material which comprises the following components in parts by weight: 5-10 parts of high-alumina cement, 20-30 parts of portland cement, 3-5 parts of expanded vermiculite, 3-5 parts of expanded perlite, 0.1-0.5 part of an OT dispersing agent, 0.5-2 parts of brucite fiber or 0.5-2 parts of asbestos wool fiber, 1-3 parts of polystyrene granule and 8-10 parts of coal beads and 30-50 parts of an additive. The lightweight composite thermal insulation material is prepared by the following steps: firstly, mixing the OT dispersing agent with water evenly to form a mixed liquid; adding asbestos wool fiber to the mixed liquid, and stirring until the asbestos wool fiber is dispersed evenly. The thermal insulation material has the advantages of light weight, high strength, no combustion, small deformation, ageing resistance, stable performance and low cost.
Description
Technical field
The present invention relates to heat preserving and insulating material for building, especially relate to a kind of light composite heat-preserving lagging material with high strength.
Background technology
Current, the china natural resources energy is very in short supply, causes the productivity of 20 ~ 30% normally not play a role because of energy deficiency.In the face of current predicament, terms of settlement has three: one to be increase income, and two is throttlings, and three is insulations.Increase income is exactly excavate traditional energy and tap a new source of energy.Throttling is exactly effective use of energy sources, and in industrial and agricultural production, applied science management process and advanced production technology reduce production energy consumption.Insulation is exactly adopt heat preserving and insulating material and goods, stops the thermosteresis of various buildings and industrial therrmodynamic system.For the lagging material being described as " the 5th energy ", its development is all paid much attention in countries in the world, in energy conservation, the application greatly developed and actively promote lagging material be also countries in the world generally take the most effectively, the most feasible measure goes over, because China's industrial heat preservation lacks strict regulation and requirement, building heat preserving effect is also not too paid attention to, lagging material application surface is narrow, turnout is little, add zonal imbalance, lagging material factory mainly concentrates on the areas such as northeast, North China and East China.The energy utilization rate of China is lower, is about the national half that industry is flourishing, and what can be converted into available energy is only whole 28%, has the energy of 72% to waste
In recent years, countries in the world are all going into overdrive to develop lagging material, and for the major country of production of those lagging materials, within its year, production increase rate is about 10%, such as Japan, and the year production increase rate of lagging material is 10 ~ 12%.The usage quantity of lagging material is larger, and the energy of saving is also more.In this sense, produce lagging material and produce the energy exactly, development lagging material develops the energy exactly.But development lagging material is less than development energy investment, the construction period is short, resource resources profit is many, it is also fast to take effect.Therefore, adopt an effective measure, greatly develop, actively promote lagging material, for china natural resources energy conservation, friendly environment society sets up, and the capability of sustainable development strengthens very large help.
External in order to effectively reduce energy-output ratio, save energy, reduces environmental pollution and Greenhouse effect, and the application & development for the lagging material of industry and building thermal insulation material generally compares attention.Adopt the material that heat insulation effect is good in the industry, can save production cost, reduce product energy consumption, there is significant social benefit.The development of state's heat insulating material for external has had very long history, and wherein the overwhelming majority is the lagging material that building energy conservation uses, and the national building thermal insulation materials such as the such as U.S., Sweden and Finland account for more than 80% of all lagging materials, are mainly used in building energy conservation.
At present, building heat preservation engineering that market uses is badly in need of a kind of existing fine heat-insulating property, has enough intensity and the excellent lagging material of fire resistance, to cover the shortage simultaneously.
Summary of the invention
In order to overcome the deficiencies in the prior art, a kind of light composite heat-preserving lagging material of proposition of the present invention, this heat preserving and insulating material have light weight, intensity high, do not burn, be out of shape little, anti-aging, stable performance low cost and other advantages.
In order to solve above-mentioned technical problem, the present invention propose basic technical scheme be: a kind of light composite heat-preserving lagging material, by weight, its component and ratio as follows:
High-alumina cement: 5 ~ 10 parts; Silicate cement: 20 ~ 30 parts; Expanded vermiculite: 3 ~ 5 parts; Pearlstone: 3 ~ 5 parts; OT dispersion agent: 0.1 ~ 0.5 part; Brucite fiber or asbestos wool fiber: 0.5 ~ 2 part; Granules of polystyrene: 1 ~ 3 part; Fine coal microballon: 8 ~ 10 parts, and additive: 30 ~ 50 parts.
Preferably, in light composite heat-preserving lagging material of the present invention, described additive comprises water-resisting agent, binding agent and water reducer.
Preferably, in light composite heat-preserving lagging material of the present invention, described water reducer is ACRYLIC EMULSION or Sodium Silicofluoride or their mixture, and described water-resisting agent is hydrophobic type water resisting admixture, and described binding agent is aluminium dihydrogen phosphate.
Preferably, in light composite heat-preserving lagging material of the present invention, the order number of described expanded vermiculite is 10 ~ 60 orders.
Preferably, in light composite heat-preserving lagging material of the present invention, described pearlstone through 1000 DEG C add hot baked, its expanding volume is 10 to 20 times.
Preferably, in light composite heat-preserving lagging material of the present invention, the particle diameter of described pearlstone is 100 ~ 250 μm.
Preferably, in light composite heat-preserving lagging material of the present invention, the particle diameter of described fine coal microballon is 100 ~ 200 μm.
Preferably, in light composite heat-preserving lagging material of the present invention, the amount of described OT dispersion agent is 20% of the amount of brucite fiber or asbestos wool fiber.
The invention has the beneficial effects as follows:
The present invention is using cheap brucite fiber or asbestos wool fiber as main raw, add the inorganic heat insulating such as pearlstone, expanded vermiculite filler, the lagging material formed by the pectisation of high-alumina cement, there is good heat insulating effect, do not burn, be out of shape that little, anti-aging, stable performance, thermal insulation layer intensity are high, easy construction, engineering cost compared with low, energy consumption is little, eco-environmental prote good, economize on resources, and improves the features such as the cycling and reutilization efficiency of resource.
Embodiment
Technical scheme for a better understanding of the present invention, will elaborate to technical scheme of the present invention below in detail.
Light composite heat-preserving lagging material of the present invention, by weight, its component and ratio as follows: high-alumina cement: 5 ~ 10 parts; Silicate cement: 20 ~ 30 parts; Expanded vermiculite: 3 ~ 5 parts; Pearlstone: 3 ~ 5 parts; OT dispersion agent: 0.1 ~ 0.5 part; Brucite fiber or asbestos wool fiber: 0.5 ~ 2 part; Granules of polystyrene: 1 ~ 3 part; Fine coal microballon: 8 ~ 10 parts, and additive: 30 ~ 50 parts.
The equipment used in the present invention comprises:
Cement plaster blender 1, bobbing machine 1, Intensity of Breaking Tester 1, compression testing machine 1, Vicat apparatus 1,1, baking oven, resistance furnace 1, thermal conductivity measuring apparatus 1, electronic balance 1.
Arrange for two example two in the present invention, concrete composition is as follows:
Wherein, the particle diameter of pearlstone is 150 μm; The particle diameter of fine coal microballon is 150 μm; Especially, the amount of OT dispersion agent is 20% of the amount of brucite fiber or asbestos wool fiber; Described pearlstone through 1000 DEG C add hot baked, its expanding volume is 20 times.
The amount of employing OT dispersion agent is the configuration of 20% of the amount of brucite fiber or asbestos wool fiber, be because when OT dispersant dosage is less, time of coagulation is longer, along with the increase of consumption is shortened time of coagulation gradually, but the shortening amplitude in presetting period is less, it is slightly large that final setting time shortens amplitude; Therefore, when selecting the ratio of 20%, effect is best.
Concrete technique:
1), before test, prepare various starting material required in test, clear up, three gang moulds are installed, to three gang mould smearing release agents, the apparatus such as the beaker used in washing test, agitator kettle, shovel, and dry utensil;
2) by the high-alumina cement weighed up, silicate cement, expanded vermiculite, OT dispersion agent, brucite fiber, granules of polystyrene, that fine coal microballon pours container for stirring into is even;
3) pearlstone weighed up is poured in agitator kettle, then mixed dry material previous step be stirred is poured into wherein, stir 30s, make it mix;
4) a part of water weighed up and OT dispersion agent are carried out Homogeneous phase mixing, form mixed solution, then take quantitative brucite fiber and pour in mixed solution, stir 120s, make asbestos wool fiber dispersed.Separate a part of water again to add in the ACRYLIC EMULSION weighed up, stir;
5) pour in agitator kettle by the ACRYLIC EMULSION of dilution, rinse the beaker of once dress dilution ACRYLIC EMULSION with remaining water, all liquid all should flow in agitator kettle, stirring at low speed 30s;
6) fiber paste that the 4th step is made is poured in agitator kettle, stirring at low speed 30s; Finally pour the hydrophobic type water resisting admixture weighed up, aluminium dihydrogen phosphate in agitator kettle stirring at low speed 30s, then high-speed stirring 60s;
7) compound stirred is poured at twice in ready three gang moulds, scrape during vibration leveling ruler at a certain angle frame in the one end on die trial top, then slowly move to the other end along die trial length direction with horizontal sawing action, gradually the excess stock exceeding die trial part is scraped off, and floating surface of test piece, time of vibration about 120s is advisable.
Finally, the material made forms fragment of brick, and places 30 days, is then checked by various equipment soon by this brill.
The making step of embodiment two is the same.
Concrete, the dispersing technology research of asbestos wool fiber or brucite fiber first OT dispersion agent and water is stirred, and forms mixed solution; Then in mixed solution, add asbestos wool fiber stir, until asbestos wool fiber dispersion is even.Such process sequence can make the effect of asbestos wool fiber dispersion best.
Two kinds of light composite heat-preserving lagging materials in the present invention, bending intensity is at more than 1Mpa, and ultimate compression strength is at more than 2Mpa, and density is at 1g/cm
3below.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned embodiment and revise.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this specification sheets, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (8)
1. a light composite heat-preserving lagging material, is characterized in that, by weight, its component and ratio as follows:
High-alumina cement: 5 ~ 10 parts;
Silicate cement: 20 ~ 30 parts;
Expanded vermiculite: 3 ~ 5 parts;
Pearlstone: 3 ~ 5 parts;
OT dispersion agent: 0.1 ~ 0.5 part;
Brucite fiber or asbestos wool fiber: 0.5 ~ 2 part;
Granules of polystyrene: 1 ~ 3 part;
Fine coal microballon: 8 ~ 10 parts, and additive: 30 ~ 50 parts.
2. light composite heat-preserving lagging material as claimed in claim 1, is characterized in that: described additive comprises water-resisting agent, binding agent and water reducer.
3. light composite heat-preserving lagging material as claimed in claim 2, is characterized in that: described water reducer is ACRYLIC EMULSION or Sodium Silicofluoride or their mixture, and described water-resisting agent is hydrophobic type water resisting admixture, and described binding agent is aluminium dihydrogen phosphate.
4. light composite heat-preserving lagging material as claimed in claim 1, is characterized in that: the order number of described expanded vermiculite is 10 ~ 60 orders.
5. light composite heat-preserving lagging material as claimed in claim 1, is characterized in that: described pearlstone through 1000 DEG C add hot baked, its expanding volume is 10 to 20 times.
6. light composite heat-preserving lagging material as claimed in claim 1, is characterized in that: the particle diameter of described pearlstone is 100 ~ 250 μm.
7. light composite heat-preserving lagging material as claimed in claim 1, is characterized in that: the particle diameter of described fine coal microballon is 100 ~ 200 μm.
8. light composite heat-preserving lagging material as claimed in claim 1, is characterized in that: the amount of described OT dispersion agent is 20% of the amount of brucite fiber or asbestos wool fiber.
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| CN201510079786.5A CN104692748A (en) | 2015-02-15 | 2015-02-15 | Lightweight composite thermal insulation material |
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| CN201510079786.5A CN104692748A (en) | 2015-02-15 | 2015-02-15 | Lightweight composite thermal insulation material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036607A (en) * | 2015-07-14 | 2015-11-11 | 常州市武进翔宇电子元器件有限公司 | Ceramic waste anti-ultraviolet type polyethylene sintered external wall panel and production method therefor |
| CN105236931A (en) * | 2015-09-02 | 2016-01-13 | 信阳师范学院 | Non-structural-use lightweight aggregate fireproof barrier and preparation method thereof |
| CN106242611A (en) * | 2016-07-18 | 2016-12-21 | 柳州弘蓝科技有限公司 | A kind of energy saving building heat-insulating building block for outer wall |
| CN107500603A (en) * | 2017-08-31 | 2017-12-22 | 苏州仲勉装饰有限公司 | A kind of preparation method of tunnel shock resistance insulation material |
| CN108383468A (en) * | 2018-03-29 | 2018-08-10 | 重庆渝茁科技有限公司 | Composite incubation material for building |
| CN108395185A (en) * | 2018-04-04 | 2018-08-14 | 云南驰宏资源综合利用有限公司 | A kind of novel heat insulation plastering slurry and its application method |
| CN112196176A (en) * | 2020-09-27 | 2021-01-08 | 衡阳凌云特种材料有限公司 | Multilayer composite corrosion-resistant heat-insulating material and preparation method thereof |
| CN113775110A (en) * | 2021-09-14 | 2021-12-10 | 钱巍 | Environment-friendly material with good sound insulation effect |
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| CN103145392A (en) * | 2013-03-19 | 2013-06-12 | 湖北大学 | Self-levelling underlayment material |
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| US5456751A (en) * | 1993-09-03 | 1995-10-10 | Trustees Of The University Of Pennsylvania | Particulate rubber included concrete compositions |
| CN1156702A (en) * | 1996-02-08 | 1997-08-13 | 北京新型建筑材料总厂 | Glass fibre reinforced light cement slab using expansive vermiculite as light aggregate and its producing method |
| CN101074157A (en) * | 2007-06-08 | 2007-11-21 | 王胜怀 | Self-controlled phase-variable energy-storage economical material and its production |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036607A (en) * | 2015-07-14 | 2015-11-11 | 常州市武进翔宇电子元器件有限公司 | Ceramic waste anti-ultraviolet type polyethylene sintered external wall panel and production method therefor |
| CN105236931A (en) * | 2015-09-02 | 2016-01-13 | 信阳师范学院 | Non-structural-use lightweight aggregate fireproof barrier and preparation method thereof |
| CN106242611A (en) * | 2016-07-18 | 2016-12-21 | 柳州弘蓝科技有限公司 | A kind of energy saving building heat-insulating building block for outer wall |
| CN107500603A (en) * | 2017-08-31 | 2017-12-22 | 苏州仲勉装饰有限公司 | A kind of preparation method of tunnel shock resistance insulation material |
| CN108383468A (en) * | 2018-03-29 | 2018-08-10 | 重庆渝茁科技有限公司 | Composite incubation material for building |
| CN108395185A (en) * | 2018-04-04 | 2018-08-14 | 云南驰宏资源综合利用有限公司 | A kind of novel heat insulation plastering slurry and its application method |
| CN108395185B (en) * | 2018-04-04 | 2021-03-16 | 云南驰宏资源综合利用有限公司 | Heat-preservation plastering mortar and using method thereof |
| CN112196176A (en) * | 2020-09-27 | 2021-01-08 | 衡阳凌云特种材料有限公司 | Multilayer composite corrosion-resistant heat-insulating material and preparation method thereof |
| CN113775110A (en) * | 2021-09-14 | 2021-12-10 | 钱巍 | Environment-friendly material with good sound insulation effect |
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