CN102219467A - Preparation method of inorganic heat-preserving material - Google Patents
Preparation method of inorganic heat-preserving material Download PDFInfo
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- CN102219467A CN102219467A CN 201110084468 CN201110084468A CN102219467A CN 102219467 A CN102219467 A CN 102219467A CN 201110084468 CN201110084468 CN 201110084468 CN 201110084468 A CN201110084468 A CN 201110084468A CN 102219467 A CN102219467 A CN 102219467A
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- heat insulation
- inorganic heat
- emulsion
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- 239000000463 material Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims description 38
- 239000000839 emulsion Substances 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 4
- 239000010440 gypsum Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims abstract 4
- 239000012774 insulation material Substances 0.000 claims description 25
- 239000002131 composite material Substances 0.000 claims description 16
- 239000011324 bead Substances 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 12
- 239000011505 plaster Substances 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
- 239000011575 calcium Substances 0.000 claims description 6
- 229910052791 calcium Inorganic materials 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical group [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 4
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 4
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 2
- 238000003723 Smelting Methods 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 238000001354 calcination Methods 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000006477 desulfuration reaction Methods 0.000 claims description 2
- 230000023556 desulfurization Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 238000006213 oxygenation reaction Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002910 solid waste Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract 1
- 235000011837 pasties Nutrition 0.000 abstract 1
- 230000002940 repellent Effects 0.000 abstract 1
- 239000005871 repellent Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Landscapes
- Building Environments (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a method for preparing an inorganic heat-preserving material with high flame resistance from desulfurated gypsum, and belongs to the technical fields of comprehensive utilization of solid wastes and building materials. The method comprises the following steps of: modifying inorganic lightweight aggregate vitrified microbubbles by using a water repellent; adding the desulfurated gypsum, sierozem powder, siliceous dust, a water-retaining agent and a retarder in a ratio; adding a certain amount of organic emulsion and water; and stirring completely and uniformly to obtain a pasty heat-preserving material applied to construction of a heat-preserving layer. By the method, the solid wastes are utilized; and the prepared inorganic heat-preserving material has fire resistance, flame resistance, low thermal conductivity coefficient and good heat-preserving effect.
Description
?
Technical field
The present invention relates to a kind of preparation method, belong to solid waste comprehensive utilization and building material technical field with inorganic heat insulation material of good flame-retardance energy.
Background technology
Along with the growing tension of global energy, lagging material becomes the focus of construction work research, and it has the effect of energy-saving heat preserving, so can the save energy cost, reduce disposal of pollutants, increase the comfort level and the life-span of building.In the present lagging material, based on organic insulation material, good characteristics such as insulation effect is good because organic insulation material has, light weight, specific tenacity big, easy construction, but there is tangible disaster hidden-trouble in increasing fire failure explanation organic insulation material.And in fire, can burning produce a large amount of toxic gases, and the person is caused serious harm, in addition dead.
The objective of the invention is to make full use of desulfurated plaster, prepare a kind of have fire prevention, flame retardant properties, thermal conductivity is low, the inorganic heat insulation material of high insulating effect.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of inorganic heat insulation material.
The preparation method of inorganic heat insulation material of the present invention is characterized in that having following step:
1. the preparation of a composite gelled material, the composition of this composite gelled material and mass percent thereof are:
Desulfurated plaster 70～85%;
Ash calcium powder 5～15%;
Silicon ash 5～20%;
Water-holding agent 0.2～0.8%
Retardant 0.1～0.3%
According to above-mentioned composition and proportioning weighing, join respectively in the mixing machine, through stirring, can make a kind of composite gelled material.
Described desulfurated plaster is the waste residue that is produced behind the means of flue gas desulfurization of power plant, through calcining the semi-hydrated gypsum (CaSO that forms
4 1/
2H
2O), levigate to 0.045mm square hole sieve screen over-size≤10%;
Described grey calcium powder mixes a kind of active filler of forming by calcium chloride, calcium hydroxide and a small amount of lime carbonate, and fineness is 325 orders;
The SiO that described silicon ash produces when being smelting ferrosilicon and industrial silicon
2With a kind of ultra-fine siliceous powder body material that rapid oxidation of oxygen and condensation in Si gas and the air form, fineness≤1 μ m accounts for more than 80%, and median size is 0.1～0.3 μ m, and specific surface area is 20～28m
2/ g;
Described water-holding agent is any in Natvosol, hydroxyethylmethyl-cellulose, the Vltra tears;
Described retardant is a Sodium hexametaphosphate 99.
2. the preparation of a mixed emulsion, the composition of this emulsion and volume percent thereof are:
Organic emulsion 30～40%;
Water 60～70%;
Measure according to above-mentioned composition and proportioning,, can make a kind of mixed emulsion through stirring.
Described organic emulsion is any in benzene emulsion, pure-acrylic emulsion, the organosilicon crylic acid latex;
3. the preparation of a modified inorganic aglite is a basic raw material with the glass bead, and its technology comprises:
(1) hydrophober and water 1:40 or 1:50 preparation by volume hydrophober solution;
(2) when stirring glass bead with sprinkling equipment with above-mentioned hydrophober solution evenly spray on glass bead, when not having siccative till;
(3) glass bead after will spraying places air to dry naturally or dries, and can make the inorganic lightweight aggregate of modification;
Described glass bead is a kind of environmental protection inorganic light heat-insulating material, and its particle diameter is 0.1～2mm;
Described hydrophober is silicone based hydrophober stoste.
4. the preparation of an inorganic heat insulation material, the composition of this lagging material and mass percent thereof are:
The composite gelled material 15～25% of above-mentioned steps 1;
The mixed emulsion 55～70% of above-mentioned steps 2;
The modified inorganic aglite 10～20% of above-mentioned steps 3;
According to the proportioning weighing of above-mentioned raw materials, join respectively in the stirrer, through stirring, can make the paste lagging material, smooth through plastering, natural curing obtains thermal insulation layer.This thermal insulation layer dry density≤400kg/m
3, thermal conductivity≤0.07W/ (mK)
Inorganic heat insulation material of the present invention has following characteristics:
1, the inorganic heat insulation material of the present invention's preparation has good flame retardancy.Related raw material great majority are incombustible substance, and the thermal insulation layer fire-protection rating that makes reaches the A level;
2, the desulfurated plaster in the raw material of the present invention is the waste material that the coal-burning power plant produces, and makes solid waste obtain resource utilization and rationally utilizes, and has reduced the preparation cost of lagging material.
3, the paste lagging material that makes of the present invention directly is coated on body of wall and gets final product during use, is convenient to construction management.
Embodiment
Embodiment one
1. the preparation of composite gelled material is an example with preparation 100kg composite gelled material.
Take by weighing desulfurated plaster 72.9kg respectively, grey calcium powder 10.1kg, silicon ash 16.3kg, hydroxyethylmethyl-cellulose 0.5kg, Sodium hexametaphosphate 99 0.2kg adds in the stirrer successively, through stirring, can make a kind of composite gelled material.
2. the preparation of mixed emulsion is an example with preparation 100L mixed emulsion.
Measure organosilicon crylic acid latex 35L respectively, water 65L through stirring, can make a kind of mixed emulsion.
3. the preparation of modified inorganic aglite is an example with preparation 100kg inorganic lightweight aggregate.
Take by weighing the 100kg glass bead, the spray volume ratio be the mixed solution of the silicone based hydrophober of 1:40 and water to there not being siccative, dry naturally, can make the modified inorganic aglite.
4. the preparation of inorganic heat insulation material is an example with preparation 100kg inorganic heat insulation material.
Take by weighing the composite gelled material 15.5kg that step 1 makes among the embodiment one, the mixed emulsion 69.2kg that step 2 makes, modified inorganic aglite 15.3kg adds in the stirrer, through stirring, can plaster, smooth, natural curing gets inorganic heat insulation material.
The inorganic heat insulation material of above-mentioned preparation, dry density≤350 kg/m
3, thermal conductivity≤0.068W/ (mK).
Embodiment two
1. the preparation of composite gelled material is an example with preparation 100kg composite gelled material.
Take by weighing desulfurated plaster 83kg respectively, grey calcium powder 7.0kg, silicon ash 9.2kg, Vltra tears 0.6kg, Sodium hexametaphosphate 99 0.2kg adds in the stirrer successively, through stirring, can make a kind of composite gelled material.
2. the preparation of mixed emulsion is an example with preparation 100L mixed emulsion.
Measure pure acrylic acid ester emulsion 40L respectively, water 60L through stirring, can make a kind of mixed emulsion.
3. the preparation of modified inorganic aglite is an example with preparation 100kg inorganic lightweight aggregate.
Take by weighing the 100kg glass bead, the spray volume ratio be the mixed solution of the silicone based hydrophober of 1:40 and water to there not being siccative, dry naturally, can make the modified inorganic aglite.
4. the preparation of inorganic heat insulation material is an example with preparation 100kg inorganic heat insulation material.
Take by weighing the composite gelled material 19.1kg that step 1 makes among the embodiment two, the mixed emulsion 67.4kg that step 2 makes, modified inorganic aglite 13.5kg adds in the stirrer, through stirring, can plaster, smooth, natural curing gets inorganic heat insulation material.
The inorganic heat insulation material of above-mentioned preparation, dry density≤400 kg/m
3, thermal conductivity≤0.07W/ (mK).
Claims (4)
1. the preparation method of an inorganic heat insulation material is characterized in that this method has following steps:
Composition and mass percent thereof by inorganic heat insulation material are: composite gelled material 15～25%, mixed emulsion 55～70%, the proportioning weighing of modified inorganic aglite 10～20%, join in the stirrer respectively, through stirring, can make the paste lagging material, through plastering, smooth, natural curing obtains inorganic heat insulation material.
2. by the preparation method of the described inorganic heat insulation material of claim 1, it is characterized in that the preparation of described composite gelled material has following steps: composition and mass percent thereof by composite gelled material are:
Desulfurated plaster 70～85%;
Ash calcium powder 5～15%;
Silicon ash 5～20%;
Water-holding agent 0.2～0.8%
Retardant 0.1～0.3%
The proportioning weighing, join respectively in the mixing machine, through stirring, can make composite gelled material;
Described desulfurated plaster is the waste residue that is produced behind the means of flue gas desulfurization of power plant, through calcining the semi-hydrated gypsum (CaSO that forms
4 1/
2H
2O), levigate to 0.045mm square hole sieve screen over-size≤10%;
Described grey calcium powder mixes a kind of active filler of forming by calcium chloride, calcium hydroxide and a small amount of lime carbonate, and fineness is 325 orders;
The SiO that described silicon ash produces when being smelting ferrosilicon and industrial silicon
2With a kind of ultra-fine siliceous powder body material that rapid oxidation of oxygen and condensation in Si gas and the air form, fineness≤1 μ m accounts for more than 80%, and median size is 0.1～0.3 μ m, and specific surface area is 20～28m
2/ g;
Described water-holding agent is any in Natvosol, hydroxyethylmethyl-cellulose, the Vltra tears;
Described retardant is a Sodium hexametaphosphate 99.
3. by the preparation method of the described inorganic heat insulation material of claim 1, it is characterized in that the preparation of described mixed emulsion has following steps: composition and volume percent thereof by mixed emulsion are:
Organic emulsion 30～40%;
Water 60～70%;
Proportioning measure, through stirring, can make mixed emulsion;
Described organic emulsion is any in benzene emulsion, pure-acrylic emulsion, the organosilicon crylic acid latex.
4. by the preparation method of the described inorganic heat insulation material of claim 1, it is characterized in that the preparation of described modified inorganic aglite has following steps:
(1) hydrophober and water 1:40 to 1:50 preparation by volume hydrophober solution;
(2) with the glass bead be basic raw material, when stirring glass bead with sprinkling equipment with hydrophober solution evenly spray on glass bead, when not having siccative till;
(3) glass bead after will spraying places air to dry naturally or dries, and can make the modified inorganic aglite;
Described glass bead is a kind of environmental protection inorganic light heat-insulating material, and its particle diameter is 0.1～2mm;
Described hydrophober is silicone based hydrophober stoste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110084468 CN102219467B (en) | 2011-04-06 | 2011-04-06 | Preparation method of inorganic heat-preserving material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110084468 CN102219467B (en) | 2011-04-06 | 2011-04-06 | Preparation method of inorganic heat-preserving material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102219467A true CN102219467A (en) | 2011-10-19 |
| CN102219467B CN102219467B (en) | 2013-03-06 |
Family
ID=44776209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110084468 Active CN102219467B (en) | 2011-04-06 | 2011-04-06 | Preparation method of inorganic heat-preserving material |
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| Country | Link |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360017A (en) * | 2013-06-27 | 2013-10-23 | 上海宇培特种建材有限公司 | Dry-powder inorganic heat-insulating material and preparation method thereof |
| CN104086089A (en) * | 2014-06-16 | 2014-10-08 | 北京市建筑工程研究院有限责任公司 | Glazed hollow bead hydrophobic agent, preparation method of hydrophobic agent, modified glazed hollow bead and preparation method of modified glazed hollow bead |
| CN104478385A (en) * | 2014-12-08 | 2015-04-01 | 上海贝恒化学建材有限公司 | Water-retaining plastering anhydrite and preparation method thereof |
| CN105523743A (en) * | 2015-12-10 | 2016-04-27 | 焦作市强耐建材有限公司 | Nanowhisker excited insulating layer plastering gypsum 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 |
| CN112209695A (en) * | 2020-10-13 | 2021-01-12 | 广东博智林机器人有限公司 | Plastering gypsum slurry and dry powder thereof |
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| RO119539B1 (en) * | 1998-11-18 | 2004-12-30 | Radu Petre | Heat insulating material and process for making the same |
| JP2002249358A (en) * | 2001-12-20 | 2002-09-06 | Sk Kaken Co Ltd | Lightweight incombustible heat insulating material layer |
| CN1385393A (en) * | 2002-06-05 | 2002-12-18 | 穆怀忠 | Cement and polystyrene foaming granule mixed products and method for making same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360017A (en) * | 2013-06-27 | 2013-10-23 | 上海宇培特种建材有限公司 | Dry-powder inorganic heat-insulating material and preparation method thereof |
| CN104086089A (en) * | 2014-06-16 | 2014-10-08 | 北京市建筑工程研究院有限责任公司 | Glazed hollow bead hydrophobic agent, preparation method of hydrophobic agent, modified glazed hollow bead and preparation method of modified glazed hollow bead |
| CN104478385A (en) * | 2014-12-08 | 2015-04-01 | 上海贝恒化学建材有限公司 | Water-retaining plastering anhydrite and preparation method thereof |
| CN105523743A (en) * | 2015-12-10 | 2016-04-27 | 焦作市强耐建材有限公司 | Nanowhisker excited insulating layer plastering gypsum 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 |
| CN112209695A (en) * | 2020-10-13 | 2021-01-12 | 广东博智林机器人有限公司 | Plastering gypsum slurry and dry powder thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102219467B (en) | 2013-03-06 |
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Address after: 200444 Baoshan District Road, Shanghai, No. 99 Patentee after: Shanghai University Patentee after: BEAVIN CHEMICAL BUILDING SYSTEM (SHANGHAI) CO.,LTD. Patentee after: Shanghai Haili New Building Materials Development Co.,Ltd. Address before: 200444 Baoshan District Road, Shanghai, No. 99 Patentee before: Shanghai University Patentee before: BEAVIN CHEMICAL BUILDING SYSTEM (SHANGHAI) CO.,LTD. Patentee before: SHANGHAI HAILI INDUSTRY & TRADING Co.,Ltd. |
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Owner name: SHANGHAI YUPEI SPECIAL BUILDING MATERIAL CO., LTD. Free format text: FORMER OWNER: SHANGHAI UNIVERSITY Effective date: 20140603 Free format text: FORMER OWNER: SHANGHAI BEIHENG CHEMICAL BUILDING MATERIAL CO., LTD. SHANGHAI HAILI NEW BUILDING MATERIALS DEVELOPMENT CO., LTD. Effective date: 20140603 |
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Effective date of registration: 20140603 Address after: 201804 Shanghai city Jiading District Xie Road No. 1000 Patentee after: SHANGHAI YUPEI SPECIAL BUILDING MATERIAL Co.,Ltd. Address before: 200444 Baoshan District Road, Shanghai, No. 99 Patentee before: Shanghai University Patentee before: BEAVIN CHEMICAL BUILDING SYSTEM (SHANGHAI) CO.,LTD. Patentee before: Shanghai Haili New Building Materials Development Co.,Ltd. |
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Address after: Building 3, No. 75 Hengle Road, Waigang Town, Jiading District, Shanghai, June 2018 Patentee after: Shanghai fupei New Material Technology Co.,Ltd. Address before: 201804 J227 8, No. 1112, hang Gui Road, Anting Town, Jiading District, Shanghai. Patentee before: SHANGHAI FODEV NEW MATERIAL TECHNOLOGY CO.,LTD. |
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