CN102877556A - Novel wall body heat preservation core plate and production method thereof - Google Patents

Novel wall body heat preservation core plate and production method thereof Download PDF

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Publication number
CN102877556A
CN102877556A CN2012101876019A CN201210187601A CN102877556A CN 102877556 A CN102877556 A CN 102877556A CN 2012101876019 A CN2012101876019 A CN 2012101876019A CN 201210187601 A CN201210187601 A CN 201210187601A CN 102877556 A CN102877556 A CN 102877556A
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China
Prior art keywords
central layer
layer according
mixture
insulation central
wool
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CN102877556B (en
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翟传伟
李壮贤
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Qingdao Kerui new environmental protection materials Group Co. Ltd.
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Qingdao Creek New Environmental Materials Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/242Slab shaped vacuum insulation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/10Insulation, e.g. vacuum or aerogel insulation

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  • Building Environments (AREA)
  • Thermal Insulation (AREA)

Abstract

The invention relates to a heat preservation core plate and a preparation method thereof, wherein the heat preservation core plate comprises the following materials by weight: 22 to 60 percent of superfine silicon dioxide powder, 0 to 58 percent of filling material, 0 to 48 percent of inorganic core material, 1 to 18wt percent of inorganic fiber, 0 to 3 percent of getter, and 0 to 2.8 percent of vacuum stabilizing agent. The preparation method of the heat preservation core plate comprises the steps of (1) batching, (2) drying, (3) core material forming, (4) press forming, (5) packing and the like.

Description

Novel wall thermal insulating central layer and production method thereof
Technical field
The present invention relates to the production of construction materials technical field, relate in particular to a kind of wall thermal insulating central layer and production method thereof.
Background technology
The insulation central layer is a kind of in the heat insulating material; be composited by filling core and vacuum protection top layer; the heat transmission that it avoids cross-ventilation to cause effectively; so coefficient of thermal conductivity decrease; less than 0.008w/m.K; and do not contain any ODS material, have environmental protection and energy-efficient characteristic.Compare with traditional insulation materials, the insulation central layer have the layer thin, volume is little, lightweight, combustibility is the advantage of A level.
After the eighties in 20th century, world climate warms, and the energy is increasingly exhausted, under the dual-pressure of environmental protection and the energy, bring Secretary to exterior-wall heat insulation, should good heat insulating, anti-flammability is high again, and the external-wall heat-insulation material that uses at present mainly is the organic materials such as polystyrene and polyurethane, these material heat-insulating properties and workability are all fine, cost is also relatively low, but the fatal shortcoming of these materials is easy firing, and combustibility is B2.The production of construction materials industry faces exploitation key subjects new, effectively insulating wall thermal insulating central layer.
Summary of the invention
For the deficiencies in the prior art, technical problem to be solved by this invention is, a kind of method of utilizing the manufacture of materials insulation central layers such as silica and inorfil is provided, and the insulation central layer thermal conductivity of production is little, i.e. good heat insulating, and anti-flammability is high.
In order to realize the foregoing invention purpose, the technical solution used in the present invention is: a kind of insulation central layer, contain superfine silicon dioxide powder 22-60wt%, inserts 0-58wt%, inorganic core material 0-48wt%, inorfil 1-18wt%, getter 0-3wt%, vacuum stabilizing agent 0-2.8wt%.
Further, described superfine silicon dioxide powder is one or more the mixture in silica flour, silicon ash, pozzolan, SILICA FUME, SiO 2 powder, the perlite powder, and its bulk density is 130-280kg/m 3, specific area is 15-29m 2/ g, average grain diameter is the 0.1-2 micron, and described vacuum stabilizing agent is the hollow sorbing material, and mean inside diameter is the 0.1-3 micron.
Further, described inserts is one or more the mixture in flyash, expanded perlite, close hole perlite, glass bead, sawdust, wood chip, crop stalk crushed material, shredded paper bits, glass wool chip, foam, rock wool debris, granules of polystyrene, dry mud, kieselguhr, super glass wool, centrifugally glass-wool, the rock wool.
Further, described inorganic core material is one or more mixture of aeroge, aerosil, precipitated silica.
Further, described inorfil is one or more the mixture in glass chopped silk, super glass wool, flame cotton, aluminium silicate wool, ceramic fiber cotton, brucite fiber, the foam, and its length is 3-12mm, and fibre diameter is the 0.2-13 micron.
Further, described getter is one or more the mixture in active carbon, barium lithium alloy activator, calcium oxide, magnesia, the silica gel.
Further, described vacuum stabilizing agent is carborundum or superfine fibre active carbon material or the mixture of the two, and it mainly absorbs the light frequency ranges such as IR, far-infrared light, can absorb again the gas that the core materials such as water vapour, nitrogen slowly discharge simultaneously.
The present invention further provides the preparation method of above-mentioned insulation central layer, described method comprises the steps:
(1) batching: with the superfine silicon dioxide powder of described prescription, inserts, inorganic core material, inorfil, getter, vacuum stabilizing agent drop into mixer fully to be mixed;
(2) oven dry: the compound that stirs is dried, and bake out temperature was controlled at 100-120 ℃, measured the moisture content of mixed once material in the drying course every 8 minutes, until the moisture content of compound reaches below 0.5%, stopped oven dry;
(3) core material moulding: the material of oven dry is dropped in the mould, and the surface strikes off;
(4) compressing: mould is put into press compressing, the decrease speed of press is controlled to be 3-7 cm/s, and pressure is controlled to be 20-280T/m 2
(5) parcel: compressing central layer is taken out from mould, and in the periphery of central layer parcel layer of non-woven fabric, obtain being incubated central layer.
Further, the drying course of preparation method's step (2) of described insulation central layer also can carry out in the process of step (1) simultaneously; Used nonwoven is flame-retardant non-woven in the step (5), and mass area ratio is 35-100g/m 2
Use the inventive method and produce the insulation central layer, technique is simple, do not have three waste discharge, the insulation central layer of producing is easily constructed as wall heat insulation material, fire prevention, can be good at playing insulation, heat-blocking action, combustibility is the A level, and insulation thickness generally gets final product at 10-15mm, and lightweight, the weather-proof time is long, and can reach more than 30 years application life.
Raw material involved in the present invention is the usual commercially available technical pure commodity raw material that uses of the industry.
The present invention does not relate to special equipment, and related detection method is industry customary way.
The specific embodiment
The present invention is described in detail below in conjunction with embodiment.
Embodiment 1
(1) batching: with ultra-fine native silicon dioxide powder 22wt%, inserts 58wt%, inorganic core material 8wt%, inorfil 6.2wt%, getter 3wt%, vacuum stabilizing agent 2.8wt% drop into mixer fully to be mixed;
(2) oven dry: the compound that stirs is dried, and bake out temperature was controlled at 110 ℃, measured the moisture content of mixed once material in the drying course every 8 minutes, until the moisture content of compound reaches below 0.5%, stopped oven dry;
(3) core material moulding: the material of oven dry is dropped in the mould, and the surface strikes off;
(4) compressing: mould is put into press compressing, the decrease speed of press is controlled to be 4cm/s, and pressure is controlled to be 30T/m 2
(5) parcel: compressing central layer is taken out from mould, and in the periphery of central layer parcel layer of non-woven fabric, obtain being incubated central layer.
Embodiment 2
(1) batching: with ultra-fine native silicon dioxide powder 60wt%, inorganic core material 26wt%, inorfil 13wt%, getter 0.5wt%, vacuum stabilizing agent 0.5wt% drop into mixer fully to be mixed;
(2) oven dry: the compound that stirs is dried, and bake out temperature was controlled at 120 ℃, measured the moisture content of mixed once material in the drying course every 8 minutes, until the moisture content of compound reaches below 0.5%, stopped oven dry;
(3) core material moulding: the material of oven dry is dropped in the mould, and the surface strikes off;
(4) compressing: mould is put into press compressing, the decrease speed of press is controlled to be 7cm/s, and pressure is controlled to be 280T/m 2
(5) parcel: compressing central layer is taken out from mould, and in the periphery of central layer parcel layer of non-woven fabric, obtain being incubated central layer.
Embodiment 3
(1) batching: with ultra-fine native silicon dioxide powder 50wt%, inserts 30wt%, inorganic core material 8wt%, inorfil 10wt%, getter 0.5wt%, vacuum stabilizing agent 1.5wt% drop into mixer fully to be mixed;
(2) oven dry: the compound that stirs is dried, and bake out temperature was controlled at 100 ℃, measured the moisture content of mixed once material in the drying course every 8 minutes, until the moisture content of compound reaches below 0.5%, stopped oven dry;
(3) core material moulding: the material of oven dry is dropped in the mould, and the surface strikes off;
(4) compressing: mould is put into press compressing, the decrease speed of press is controlled to be 5cm/s, and pressure is controlled to be 50T/m 2
(5) parcel: compressing central layer is taken out from mould, and in the periphery of central layer parcel layer of non-woven fabric, obtain being incubated central layer.
The present invention is incubated core plate applications in wall heat insulation material with gained, and high insulating effect can effectively reduce the energy consumption of its application scenario, has accomplished energy-conserving and environment-protective.

Claims (9)

1. an insulation central layer is characterized in that: contain superfine silicon dioxide powder 22-60wt%, inserts 0-58wt%, inorganic core material 0-48wt%, inorfil 1-18wt%, getter 0-3wt%, vacuum stabilizing agent 0-2.8wt%.
2. described insulation central layer according to claim 1, it is characterized in that: described superfine silicon dioxide powder is one or more the mixture in silica flour, silicon ash, pozzolan, SILICA FUME, SiO 2 powder, the perlite powder, and its bulk density is 130-280kg/m 3, specific area is 15-29m 2/ g, average grain diameter is the 0.1-2 micron, and described vacuum stabilizing agent is the hollow sorbing material, and mean inside diameter is the 0.1-3 micron.
3. described insulation central layer according to claim 1 is characterized in that: described inserts is one or more the mixture in flyash, expanded perlite, close hole perlite, glass bead, sawdust, wood chip, crop stalk crushed material, shredded paper bits, glass wool chip, foam, rock wool debris, granules of polystyrene, dry mud, kieselguhr, super glass wool, centrifugally glass-wool, the rock wool.
4. described insulation central layer according to claim 1 is characterized in that: described inorganic core material is one or more mixture of aeroge, aerosil, precipitated silica.
5. described insulation central layer according to claim 1, it is characterized in that: described inorfil is one or more the mixture in glass chopped silk, super glass wool, flame cotton, aluminium silicate wool, ceramic fiber cotton, brucite fiber, the foam, its length is 3-12mm, and fibre diameter is the 0.2-13 micron.
6. described insulation central layer according to claim 1 is characterized in that: described getter is one or more the mixture in active carbon, barium lithium alloy activator, calcium oxide, magnesia, the silica gel.
7. described insulation central layer according to claim 1, it is characterized in that: described vacuum stabilizing agent is carborundum or superfine fibre active carbon material or the mixture of the two.
8. the preparation method of each described insulation central layer according to claim 1-7 is characterized in that described method comprises the steps:
(1) batching: ultra-fine native silicon dioxide powder, inserts, inorganic core material, inorfil, getter and the vacuum stabilizing agent input mixer of described prescription are fully mixed;
(2) oven dry: the compound that stirs is dried, and bake out temperature was controlled at 100-120 ℃, measured the moisture content of mixed once material in the drying course every 8 minutes, until the moisture content of compound reaches below 0.5%, stopped oven dry;
(3) core material moulding: the material of oven dry is dropped in the mould, and the surface strikes off;
(4) compressing: mould is put into press compressing, the decrease speed of press is controlled to be 3-7 cm/s, and pressure is controlled to be 20-280T/m 2
(5) parcel: compressing central layer is taken out from mould, and in the periphery of central layer parcel layer of non-woven fabric, obtain being incubated central layer.
9. the preparation method of described insulation central layer according to claim 8, it is characterized in that: the drying course of step (2) carries out in the process of step (1) simultaneously; Used nonwoven is flame-retardant non-woven in the step (5), and mass area ratio is 35-100g/m 2
CN201210187601.9A 2012-06-08 2012-06-08 Novel wall body heat preservation core plate and production method thereof Active CN102877556B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103466999A (en) * 2013-08-27 2013-12-25 信阳科思建筑节能科技有限公司 Superfine fiber composite heat insulation material, heat insulation plate and preparation method of heat insulation plate
CN104402396A (en) * 2014-11-24 2015-03-11 大连理工大学 Inorganic vacuum heat preservation plate for building wall and preparation method of inorganic vacuum heat preservation plate
CN106759976A (en) * 2016-12-09 2017-05-31 李如武 A kind of preparation method of environment-friendly insulating metope
CN109369143A (en) * 2018-11-12 2019-02-22 天津南极星隔热材料有限公司 A kind of high intensity nano-micro level micropore heat-barrier material
CN110509365A (en) * 2019-08-23 2019-11-29 福江集团有限公司 A kind of method that fast growing wood processing waste material prepares the wooden base of upholstery

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101734903A (en) * 2008-11-14 2010-06-16 中国电力科学研究院 Nano silica dioxide heat-insulating material and preparation method thereof
CN102296714A (en) * 2011-07-11 2011-12-28 潍坊三强集团有限公司 Production method for producing heat insulation board for vacuum heat insulation wall body by utilizing small expanded and vitrified balls

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101734903A (en) * 2008-11-14 2010-06-16 中国电力科学研究院 Nano silica dioxide heat-insulating material and preparation method thereof
CN102296714A (en) * 2011-07-11 2011-12-28 潍坊三强集团有限公司 Production method for producing heat insulation board for vacuum heat insulation wall body by utilizing small expanded and vitrified balls

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
A.M.内维尔: "《混凝土的性能》", 30 April 2011 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103466999A (en) * 2013-08-27 2013-12-25 信阳科思建筑节能科技有限公司 Superfine fiber composite heat insulation material, heat insulation plate and preparation method of heat insulation plate
CN104402396A (en) * 2014-11-24 2015-03-11 大连理工大学 Inorganic vacuum heat preservation plate for building wall and preparation method of inorganic vacuum heat preservation plate
CN106759976A (en) * 2016-12-09 2017-05-31 李如武 A kind of preparation method of environment-friendly insulating metope
CN106759976B (en) * 2016-12-09 2018-12-25 浙江爱尔菲集成家居有限公司 A kind of production method of environment-friendly insulating metope
CN109369143A (en) * 2018-11-12 2019-02-22 天津南极星隔热材料有限公司 A kind of high intensity nano-micro level micropore heat-barrier material
CN109369143B (en) * 2018-11-12 2020-01-21 天津南极星隔热材料有限公司 High-strength nano-micron microporous thermal insulation material
CN110509365A (en) * 2019-08-23 2019-11-29 福江集团有限公司 A kind of method that fast growing wood processing waste material prepares the wooden base of upholstery

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Inventor after: Di Tianyang

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Address after: 266112 Shandong City, Chengyang District, Qingdao, the streets of the streets of the Wangjiazhuang neighborhood of the community on the north side of the 500 meters

Patentee after: Qingdao Kerui new environmental protection materials Group Co. Ltd.

Address before: 266112 Shandong City, Chengyang District, Qingdao, the streets of the streets of the Wangjiazhuang neighborhood of the community on the north side of the 500 meters

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