CN101591159A - A kind of heat-insulating fiber coating and preparation method thereof - Google Patents
A kind of heat-insulating fiber coating and preparation method thereof Download PDFInfo
- Publication number
- CN101591159A CN101591159A CNA2009100003066A CN200910000306A CN101591159A CN 101591159 A CN101591159 A CN 101591159A CN A2009100003066 A CNA2009100003066 A CN A2009100003066A CN 200910000306 A CN200910000306 A CN 200910000306A CN 101591159 A CN101591159 A CN 101591159A
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- Prior art keywords
- wedding agent
- alumina
- fiber coating
- thermal
- construction
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
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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
- 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
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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
- 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
- C04B2111/2084—Thermal shock resistance
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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
- 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)
- Ceramic Products (AREA)
Abstract
The present invention relates to a kind of light thermal-insulation fiber coating and preparation method thereof, it is characterized in that described coating weight of material percentage ratio consists of: refractory fibre 20～40%, high-alumina cement 20～40%, high-alumina fly 10～30%, wedding agent is 1～4%, and wedding agent is the one or more combination among dextrin, CMC, the HS100000.The miscellany of said ratio adds water and stirs according to specific preparation technology, can smear or sprayed construction.The present invention has high durability and excellent insulating performance, and thermal conductivity is low, and thermal capacitance is little; Heat stability is good, cold-resistant thermal shocking is strong; Preparation technology is simple, especially when building complicated member by laying bricks or stones, can accomplish not stay some slits; Tack is good, can arbitrarily angled direct construction on the plane steel plate of no anchoring piece, and adhere to the back and do not have bounce-back; The adding of special combination agent has improved working strength, can satisfy insulation, the higher position use of requirement of strength.
Description
Technical field
The invention belongs to fire resisting material field, relate in particular to a kind of light thermal-insulation fibre fire-proof coating and preparation method thereof.
Background technology
Along with the day of resource, the energy in the world wide is becoming tight, save energy, protection environment are the problems that various countries pay much attention to, and especially on Industrial Stoves, save energy and reduce the cost and stand in the breach especially.In the technology of various save energy, thermal insulation technology is because energy-saving effect is remarkable, invest less, easy construction and being widely used.
Through consulting document, on the light heat insulation material Material Selection, the industrial heat-insulation insulating refractory is of a great variety both at home and abroad, but relative merits are respectively arranged: as diatomite bricks in " New Building Materials " 1993 the 8th phases " research of diatomite light high-strength heat preservation material " literary composition such as Zhang Xiwen, with the pearlstone is admixture, though thermal conductivity very low (0.12W/mK), heat insulation effect is better, but its intensity is not very high, and maximum operation (service) temperature has only 800 ℃; About 1100 ℃ of aluminosilicate property refractory fiber blanket use temperature, but construction inconvenience; About 1500 ℃ of aluminum oxide foam light cinder brick working temperature, about 1550 ℃ of light silicious brick working temperature is used them to build kiln by laying bricks or stones and is produced very big slit, and thermosteresis is big, and its cost is higher.
Further improving in the research of the every performance of heat preserving and insulating material, at present, domestic rarely seen development report or patent of smearing or throwing material relevant for fiber.We think that through having studied intensively the characteristics separately of above various lagging materials heat preserving and insulating material mainly contains the requirement of following 3 aspects for this reason: 1, use temperature wants high, minimum on various kilns will reach 1200 ℃; 2, construction requirement is convenient, and labour intensity can not be too big, can freely construct on polymorphic structure; 3, good heat-insulation effect, thermal conductivity is low.
Therefore, the selection of material of main part and the selection of wedding agent are particularly important, particularly will satisfy on the form of construction work at shaped piece to can be good at construction.Characteristics of the present invention are: 1, use refractory fiber cotton to be main raw material, admix one or more admixtures, make heat insulating refractory materials use temperature height; 2, this heat insulating refractory materials construction is very convenient, can directly smear or throw construction on shaped piece; 3, volume density is little, and heat conduction is low.
Summary of the invention
The present invention relates to a kind of heat-insulating fiber coating and preparation method thereof, efficient additive dextrin, CMC or HS100000 are incorporated among the light fibre heat preserving refractory materials, make it in refractory materials, to produce combination, improve the intensity and the use temperature of lightweight refractory, improve workability simultaneously, can be to smear or the projection way construction.
The technical solution adopted in the present invention is: it is made up of refractory fiber cotton, high-alumina refractory cement, high-alumina fly and wedding agent, by regulating its plasticity, enables to construct with the form of smearing or throwing.
The weight ratio of material component is in the technique scheme: refractory fiber cotton 20～40%, wedding agent 1～4%, high-alumina cement 20～40%, high-alumina fly 10～30%.
The granulometric composition of material component is in the technique scheme: refractory fibre cotton fiber length 20～0mm, high-alumina cement 0.088～0mm, wedding agent are 20～0 μ m, high-alumina fly 0.088～0mm.
Wedding agent is the one or more combination among dextrin, CMC, the HS100000.
The invention particularly relates to a kind of preparation production technique of key.At production plant, earlier with refractory fiber cotton, high-alumina fly, wedding agent mixing, add 30～60% water, pack behind the stirring and evenly mixing, transport the working-yard to, at the scene during construction operation, add the high-alumina cement powder again, being stirred to proper state can construct, and constructional method is taked to smear or projective method, material is bonded on the construction body get final product.
The invention has the advantages that: the first, the employing refractory fiber cotton is a main raw material, has high durability and excellent insulating performance, and its thermal conductivity is low, and thermal capacitance is little, Heat stability is good, cold-resistant thermal shocking is strong, has the performance of opposing physics, chemical action; The second, its preparation technology is simple, especially when building complex component by laying bricks or stones, can accomplish not stay the slit construction; The 3rd, its tack is good, can arbitrarily angled direct construction on the plane steel plate of no anchoring piece, and adhere to the back and do not have bounce-back; The 4th, environmentally safe, easy construction, and operating environment is improved greatly.
Embodiment
Below by non-limiting example, essential characteristic of the present invention and construction are described.
The material component of selecting for use is: staple length is the refractory fiber cotton of 0～20mm, and granularity is the high-alumina cement of 0.088～0mm, and granularity is wedding agent CMC, the HS100000 of 20～0 μ m, and granularity is the high-alumina fly of 0.088～0mm.
Be that refractory fiber cotton 40%, wedding agent CMC1%, HS1000000.5%, high-alumina fly 25% prepare material at first by the weight ratio of material component, adding water then stirred 8 minutes, the consumption of water is 50% of a material component siccative gross weight, adds high-alumina cement 33.5% at last, stirs 5 minutes.
Zhi Bei miscellany is smeared moulding in Standard Module as stated above, and through 110 ℃ * 24h drying, 1200 ℃ * 3h burns till then.By the countries concerned's standard, the actual measurement physical and chemical index is: 110 ℃ * 24h of volume density is 1.0g/cm
3, 1200 ℃ * 3h is 1.16g/cm
3110 ℃ * 24h of compressive strength is 5MPa, and 1200 ℃ * 3h is 2MP; 110 ℃ * 24h of strength at normal temperature is 3.4MPa, and 1200 ℃ * 3h is 1.2MP; The line velocity of variation is that 1200 ℃ * 3h burns the back for-0.30%; Thermal conductivity is 0.25W/mK.
In order to verify its construction projection, spreading property, on vertical steel plate, throw construction simultaneously, the result shows that its workability is good, can construct on the steel plate of any angle, tack is good, does not rebound.
Claims (5)
1, a kind of light thermal-insulation fiber coating and preparation method thereof is characterized in that described coating is made up of refractory fiber cotton, high-alumina cement, high-alumina fly and wedding agent, adds water and stirs the back to smear or the mode of delivery construction.
2, light thermal-insulation fiber coating according to claim 1 is characterized in that described coating feed composition weight percentage is: refractory fibre 20～40%, and high-alumina cement 20～40%, high-alumina fly 10～30%, wedding agent are 1～4%.
3, light thermal-insulation fiber coating according to claim 1 is characterized in that raw material granularity consists of: refractory fiber cotton 20-0mm, high-alumina cement 0.088～0mm, wedding agent are 20～0 μ m, high-alumina fly 0.088～0mm.
4, light thermal-insulation fiber coating according to claim 1 is characterized in that described wedding agent is the one or more combination among dextrin, CMC, the HS100000.
5, light thermal-insulation fiber coating according to claim 1, it is characterized in that: earlier with refractory fibre, high-alumina fly, wedding agent mixing, add 30～60% water, pack after the stirring, transport the working-yard then to, when constructing at the scene, add the high-alumina cement powder again, being stirred to proper state can construct, and constructional method is taked to smear or projective method, material is bonded on the construction body get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100003066A CN101591159A (en) | 2009-01-05 | 2009-01-05 | A kind of heat-insulating fiber coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100003066A CN101591159A (en) | 2009-01-05 | 2009-01-05 | A kind of heat-insulating fiber coating and preparation method thereof |
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| Publication Number | Publication Date |
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| CN101591159A true CN101591159A (en) | 2009-12-02 |
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| CNA2009100003066A Pending CN101591159A (en) | 2009-01-05 | 2009-01-05 | A kind of heat-insulating fiber coating and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485685A (en) * | 2010-12-02 | 2012-06-06 | 上海梅山钢铁股份有限公司 | Low thermal conductivity lightweight coating |
| CN102674865A (en) * | 2012-06-01 | 2012-09-19 | 山国强 | Light thermal insulation coating |
| CN104058756A (en) * | 2014-06-16 | 2014-09-24 | 北京首钢股份有限公司 | Buffering filler fed by pump and used for thermal-state maintenance of hot-blast stove system |
| CN104844127A (en) * | 2015-03-30 | 2015-08-19 | 李章� | Light cementing material based on vitrified micro powder, light burn-free insulating refractory composite material and preparation method therefor |
| CN105622114A (en) * | 2015-12-21 | 2016-06-01 | 洛阳利尔耐火材料有限公司 | Low-density refractory fiber coating and preparation method thereof |
| CN112266660A (en) * | 2020-10-28 | 2021-01-26 | 淄博雨程节能环保科技有限公司 | Refractory fiber coating produced by utilizing refractory fiber waste and preparation method and application thereof |
-
2009
- 2009-01-05 CN CNA2009100003066A patent/CN101591159A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485685A (en) * | 2010-12-02 | 2012-06-06 | 上海梅山钢铁股份有限公司 | Low thermal conductivity lightweight coating |
| CN102485685B (en) * | 2010-12-02 | 2014-02-26 | 上海梅山钢铁股份有限公司 | Low thermal conductivity lightweight coating |
| CN102674865A (en) * | 2012-06-01 | 2012-09-19 | 山国强 | Light thermal insulation coating |
| CN104058756A (en) * | 2014-06-16 | 2014-09-24 | 北京首钢股份有限公司 | Buffering filler fed by pump and used for thermal-state maintenance of hot-blast stove system |
| CN104058756B (en) * | 2014-06-16 | 2016-07-27 | 北京首钢股份有限公司 | A kind of hot maintenance pump pressure of hot blast stove system send buffering filler |
| CN104844127A (en) * | 2015-03-30 | 2015-08-19 | 李章� | Light cementing material based on vitrified micro powder, light burn-free insulating refractory composite material and preparation method therefor |
| CN105622114A (en) * | 2015-12-21 | 2016-06-01 | 洛阳利尔耐火材料有限公司 | Low-density refractory fiber coating and preparation method thereof |
| CN105622114B (en) * | 2015-12-21 | 2018-06-22 | 洛阳利尔耐火材料有限公司 | A kind of low density fire resistant fiber coating and preparation method thereof |
| CN112266660A (en) * | 2020-10-28 | 2021-01-26 | 淄博雨程节能环保科技有限公司 | Refractory fiber coating produced by utilizing refractory fiber waste and preparation method and application thereof |
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Application publication date: 20091202 |