CN1115324A - Light weight asbestos-free high temp. resistance and heat insulation paint - Google Patents
Light weight asbestos-free high temp. resistance and heat insulation paint Download PDFInfo
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- CN1115324A CN1115324A CN 94108428 CN94108428A CN1115324A CN 1115324 A CN1115324 A CN 1115324A CN 94108428 CN94108428 CN 94108428 CN 94108428 A CN94108428 A CN 94108428A CN 1115324 A CN1115324 A CN 1115324A
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Abstract
The refractory insulating paint featuring no asbestos and quickly-drying penetrant contents and production at ordinary temp. is prepared from sepiolite down containing aluminium silicate fibre and bentone through immersing fibre for loosening it, preparing modifier, and making product. The paint has the advantages of excellent comprehensive properties: thermal conducting coefficient of 0.0655 W/m.k, sticking strength of 20.6KPa, compression strength of 249 KPa and residual compression strength of 148 KPa after 12 hrs at 1123 K.
Description
The present invention relates to moist high temperature resistant adiabatic coating, refer to the high temperature resistant adiabatic coating of a kind of light weight asbestos-free especially.
In background technology, it is " composite heat insulation coating and production technique thereof " patent application of 92112722.7 that the Chinese invention patent communique discloses application number on May 18th, 1994, and its publication number is CN1086839A.Its material component contains (1) ceramic fiber, (2) high silica wool, (3) rock wool, (4) alkali-free super glass wool, (5) high-quality asbestos wool, (6) modification mineral wool, (7) pearlstone, (8) roast diatomite, (9) kaolin, (10) hollow glass micro-ball, (11) china clay, (12) high-quality stone flour, (13) quickly penetrating agent, (14) efficient thickeners, (15) combined high temperature glue, (16) water glass, (17) Tai-Ace S 150, (18) methyl silanol potassium, (19) polytetrafluoroethylene liquid, (20) Resins, epoxy, all the other are water, making method has the fiber pervasion immersion, and (in temperature is to soak 24 hours under 80 ℃ of situations, make the whole infiltrated fibers of permeate agent), composite solution preparation (preparation temperature is 50 ℃, 24 hours time), work in-process are synthetic, and (wherein materials (15) dilute the back adding in 1: 1 ratio with boiling water, synthesis temperature is 50 ℃, 2 hours time), finished product is shaped and (is cooled to room temperature, behind 24 hours froth breakings, get product).Its weak point is, asbestos content accounts for the working substance total amount more than 10% in the composition, the asbestos that are known as " stealthy killer " in the world ban use of in developed countries such as West Europe countries of community, Japan's restriction contains asbestos content≤5% in the asbestos insulating product, therefore this coating that contains asbestos is difficult to expand market access in the international market, and is people unhealthful " the stealthy killers " that hide.Quickly penetrating agent large usage quantity in the composition, its molecular structure has naphthalene ring, and this is one of common carcinogenic substance, and is volatile under higher temperature, and off-odor is arranged, and not only influences HUMAN HEALTH, and the harm environmental health.Secondly, should " it is still not enough that the product use temperature can reach 1200 ℃ scientific evidence; because the long-time heat resisting temperature of asbestos is 500～550 ℃; the short period of time heat resisting temperature also is no more than 700 ℃, the investigation of hard insulating material quality inspection center shows that country does not also formulate unified thermal insulation coatings standard at present in State Bureau of Building Materials Industry; generally only do between 600～800 ℃ a bit; constant temperature 1 hour, show " outward appearance no change ", only detect describing qualitatively.Once more, just a manufacture craft process is at non-normal temperature works of finishing drilling, the production process complexity, and wayward, energy consumption increases, the cost increasing.
And for example to disclose publication number on January 6th, 1993 be CN1067667 " a kind of manufacture method of insulating mold coating " to the Chinese invention patent communique, in wherein forming, contains fiber snake mosquito stone (Mg
6(Si
4O
10) (OH)
8), say it is fiber snake mosquito stone asbestos (claiming chrysotile again) in essence, it occupies more than 40% of effective substance total amount, and the HUMAN HEALTH oxious component is obviously increased.Also have penetrant m in addition, wherein the permeate agent BN in the penetrant m is a naphthalene ring, in like manner also is one of carcinogenic substance.
The objective of the invention is in order to overcome the weak point in the above-mentioned background technology, and develop the high temperature resistant adiabatic coating product of a kind of light weight asbestos-free, through a large amount of test and deliberations, filter out the producing and manufacturing technique of best formula for raw stock and simplification, reaching product does not have asbestos, no piece T permeate agent or does not have penetrant m, thermal conductivity is low, temperature tolerance is good, and just, energy waste is low between production technique, bonding force is strong, the purpose that is easy to construct.
Technical solution of the present invention is as follows:
Material of the present invention is formed:
(1) aluminum silicate fiber is 10～15 kilograms
(2) the high-quality sepiolite cashmere is 40～50 kilograms
(3) pearlstone is 0.4～0.5 meter
3
(4) sodium bentonite is 20～25 kilograms
(5) hollow glass micropearl is 5～10 kilograms
(6) aluminium oxide powder is 1～3 kilogram
(7) silicon sol is 10～15 kilograms
(8) water glass is 2～3 kilograms
(9) polyacrylamide is 0.5～1.0 kilogram
(10) LC804 compound rare-earth siccative is 0.2～0.5 kilogram
(11) the OP emulsifying agent is 0.3～0.9 kilogram
(12) Xylo-Mucine is 1～3 kilogram
(13) tripoly phosphate sodium STPP is 0.5～1.0 kilogram
(14) Sodium dodecylbenzene sulfonate is 0.2～0.4 kilogram
(15) ordinary tap water is 600～650 kilograms
Process for making is as follows:
1. fiber soaks and unclamps: add 1/3 of total water amount in fermentation vat, add starting material (11) and (14) again in the pond, after the stirring and dissolving, add (1), at room temperature soaked 2 hours, stirred stirring once every 15 minutes.
2. coating improvement liquid additive preparation: get one of the uncovered plastic tank of 50 liters, add 40 kilograms in water, add starting material (7), (8), (9), (10) then successively, the limit edged stirs, and adds the material back and places 12 hours, stirs once every 1～2 hour therebetween.
3. finished product preparation: in the reaction agitated pool, add surplus water, then with method 1. in soaked fiber all add in the pond, mechanical stirring 15 minutes, again starting material (2), (4), (5), (6), (12), (13) are added successively, continuously stirring 20 minutes adds material (3), then after stirring 10 minutes, add the 2. middle coating improvement of method liquid additive again, still at room temperature continue to stir 10 minutes.
4. finished product packing: finished product is put into the pond, leave standstill the back packing or directly packing all can, adopt uncovered plastic tank packing or have in the woven bag packing of moulding.
Embodiments of the invention are described as follows:
Get composition of raw materials and form three groups. I ( ) II ( ) III ( ) ( 1 ) 10 15 12 ( 2 ) 40 45 50 ( 3 ) 0.4 0.45 0.5 ( 4 ) 25 20 23 ( 5 ) 5 8 10 ( 6 ) 1 3 2 ( 7 ) 15 12 10 ( 8 ) 2 3 2.5 ( 9 ) 0.5 0.7 1.0 ( 10 ) LC804 0.5 0.2 0.4 ( 11 ) OP 0.5 0.3 0.9 ( 12 ) 2 1 3 ( 13 ) 0.8 0.5 1.0 ( 14 ) 0.4 0.2 0.3 ( 15 ) 650 630 600
After above-mentioned three groups of starting material are selected materials and prepared burden, undertaken by above-mentioned process for making, that is:
1. fiber soaks and unclamps: add 1/3 of total water amount in fermentation vat, add starting material (11) and (14) again in the pond, after the stirring and dissolving, add (1), at room temperature soaked 2 hours, stirred stirring once every 15 minutes.
2. coating improvement liquid additive preparation: get one of the uncovered plastic tank of 50 liters, add 40 kilograms in water, add starting material (7), (8), (9), (10) then successively, the limit edged stirs, and adds the material back and places 12 hours, stirs once every 1～2 hour therebetween.
3. finished product preparation: in the reaction agitated pool, add surplus water, then with method 1. in soaked fiber all add in the pond, mechanical stirring 15 minutes, again starting material (2), (4), (5), (6), (12), (13) are added successively, continuously stirring 20 minutes adds material (3), then after stirring 10 minutes, add the 2. middle coating improvement of method liquid additive again, still at room temperature continue to stir 10 minutes.
4. finished product packing: finished product is put into the pond, leave standstill the back packing or directly packing all can, adopt uncovered plastic tank packing or have in the woven bag packing of moulding.
Advantage of the present invention and effect are as follows:
1, give hard insulating material product quality supervision and inspection test center of State Bureau of Building Materials Industry through feeding sample, completely examine with reference to the relevant adiabatic coating standard of ASTM (American Standard Association), propose " thermal property is measured report " and " survey report " on April 27th, 1994, see lower two tables: table one: thermal property is measured report sample dimensions (mm) 202 202 202 202 202 specimen thickness (mm) 20.8 20.8 20.8 20.8 20.8 test specimen density (kg/m3) 186 186 186 186 186 Test mean temperature (K) 295.8 313.6 372.5 397.7 443.5 Test specimen hot-face temperature (K) 308.0 323.3 383.4 432.3 522.5 Thermal conductivity factor 0.0656 0.0674 0.0741 0.0806 0.0879 Illustrate: thermal conductivity factor equation: λ=0.0199+0.0001515T (T=273～623 K, when 623K (350 ℃), its thermal conductivity factor is 0.114W/ (mk). Table two: survey report Menu bit test conditioned measurement value Basicity PH 10 Slurry density kg/m3936 dry density kg/m3186 dry bulk shrinkage %, 23.7 thermal conductivity factor W/ (mk) Tm=293K, Δ T=20k 0.0658
Tm=623k 0.114 adhesive strength KPa shears 20.6 compression strength KPa, 10% distortion, 249 Residual Compressive Strength KPa 1123K, 12 hours 148 linear shrinkage ratio % 1123K, 12 hours 1.0 mass loss rate % 1123k, 12 hours 10.7
Above-mentioned two table test stones show: combination property of the present invention is in world lead level, At 1123K, under 12 hours conditions, linear shrinkage ratio is 1%, and mass loss rate is 10.7% etc. Caused at present the state relevant persons' such as Britain, Canada, Australia interest, relatively Background technology, at high temperature, the present invention does to detect under the so long-time harsh conditions, and Obtain examining report and the approval of national departments concerned, this is very important characteristics.
2, since material in without the part of asbestos fibre as thermal insulation coatings, institute With aborning with use, utterly destroyed this " stealthy killer ", overcome biography The insulation material of system contains the prejudice of asbestos, has improved the healthy of the people, pushes state to Market, border provides the raw material of dependable performance, and this is second characteristic.
3, because the prejudice of the bleeding agent that the traditional immersion fiber of having given up in the raw material uses, Such as fast penetrant T and penetrant m etc., so adopt material of the present invention to form, not only keep away Exempt from the soak evil of harmful substance to human body, effectively prevented contaminated environment, and can Reduce cost, the off-odor that has distributed in having avoided producing has beautified the production work environment, This is the 3rd characteristics.
4, going out unique adiabatic coating that establishes one's own system owing to employing optimum organization is composite changes Good auxiliary agent, institute is so that the product dry density is light, and thermal conductivity factor is low, and resistance to elevated temperatures is excellent, this The 4th characteristics.
5, in production technology fully under the room temperature normal pressure (1 ℃～40 ℃, an atmosphere Press) work, thus simplified the production technology of adiabatic coating, avoided heating process, The production process energy consumption is reduced, cost, this is the 5th characteristics.
6, the present invention in use, materials are economized, as at 120 ℃ of steam pipeline coating total thicknesses Degree 10mm then is incubated 10mm, insulation layer thickness estimation formula δ=t/12.5+1 (δ-Bao Temperature layer thickness mm, t-medium temperature ℃); Comprehensive cost is low, protects and draws together material charging+damage Expend+auxiliary material expense sum; Easy construction, bonding force is strong, and hygrometric state is smeared construction, No dust, pollution-free, do not stop production, do not need looping, be a complete housing after the drying, no Cracking does not come off; Outward appearance is neatly beautiful, and form is white thickness body of paste, has sky Between netted microcellular structure, can directly smear. The scope of application is wide, be widely used in oil, Chemical industry, pharmacy, control gold, electric power, boiler, the thermal insulation of the various device such as heat supply network and pipeline Engineering, it is particularly convenient especially special-shaped equipment to be used.
Claims (2)
1, the high temperature resistant adiabatic coating of light weight asbestos-free is characterized in that material is composed as follows:
(1) aluminum silicate fiber is 10～15 kilograms
(2) the high-quality sepiolite cashmere is 40～50 kilograms
(3) pearlstone is 0.4～0.5 meter
3
(4) sodium bentonite is 20～25 kilograms
(5) hollow glass micropearl is 5～10 kilograms
(6) aluminium oxide powder is 1～3 kilogram
(7) silicon sol is 10～15 kilograms
(8) water glass is 2～3 kilograms
(9) polyacrylamide is 0.5～1.0 kilogram
(10) LC804 compound rare-earth siccative is 0.2～0.5 kilogram
(11) the OP emulsifying agent is 0.3～0.9 kilogram
(12) Xylo-Mucine is 1～3 kilogram
(13) tripoly phosphate sodium STPP is 0.5～1.0 kilogram
(14) Sodium dodecylbenzene sulfonate is 0.2～0.4 kilogram
(15) ordinary tap water is 600～650 kilograms
2, make the high temperature resistant adiabatic coating of the described light weight asbestos-free of claim 1, it is characterized in that:
1. fiber soaks and unclamps: add 1/3 of total water amount in fermentation vat, add starting material (11) and (14) again in the pond, after the stirring and dissolving, add (1), at room temperature soaked 2 hours, stirred stirring once every 15 minutes.
2. coating improvement liquid additive preparation: get one of the uncovered plastic tank of 50 liters, add 40 kilograms in water, add starting material (7), (8), (9), (10) then successively, the limit edged stirs, and adds the material back and places 12 hours, stirs once every 1～2 hour therebetween.
3. finished product preparation: in the reaction agitated pool, add surplus water, then with method 1. in soaked fiber all add in the pond, mechanical stirring 15 minutes, again starting material (2), (4), (5), (6), (12), (13) are added successively, continuously stirring 20 minutes adds material (3), then after stirring 10 minutes, add the 2. middle coating improvement of method liquid additive again, still at room temperature continue to stir 10 minutes.
4. finished product packing: finished product is put into the pond, leave standstill the back packing or directly packing all can, adopt uncovered plastic tank packing or have in the woven bag packing of moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94108428 CN1115324A (en) | 1994-07-19 | 1994-07-19 | Light weight asbestos-free high temp. resistance and heat insulation paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94108428 CN1115324A (en) | 1994-07-19 | 1994-07-19 | Light weight asbestos-free high temp. resistance and heat insulation paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1115324A true CN1115324A (en) | 1996-01-24 |
Family
ID=5033469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94108428 Pending CN1115324A (en) | 1994-07-19 | 1994-07-19 | Light weight asbestos-free high temp. resistance and heat insulation paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1115324A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6660078B2 (en) * | 2001-12-03 | 2003-12-09 | Halliburton Energy Services, Inc. | Methods, well cement compositions and lightweight additives therefor |
| CN100408501C (en) * | 2007-01-23 | 2008-08-06 | 潘传章 | Multifunctional additive for insulating dry-mixed motar |
| CN101792290A (en) * | 2010-03-08 | 2010-08-04 | 蒋发学 | Composite silicate multifunctional paint and preparation method thereof |
| CN102101778A (en) * | 2010-12-09 | 2011-06-22 | 傅桂云 | Inorganic lightweight refractory construction heat preserving material |
| CN102311255A (en) * | 2011-03-15 | 2012-01-11 | 苏州伊索来特耐火纤维有限公司 | Fibrous high-temperature adhesive and preparation method thereof |
| CN102674777A (en) * | 2012-04-13 | 2012-09-19 | 上海英硕聚合材料股份有限公司 | High-performance nanometer thermal-insulation paste |
| CN103387372A (en) * | 2013-08-05 | 2013-11-13 | 李志军 | High-efficiency energy-saving thermal insulating material |
| CN103740184A (en) * | 2014-01-15 | 2014-04-23 | 芜湖市宝艺游乐科技设备有限公司 | High-permeability composite heat dissipating coating |
| CN104326726A (en) * | 2014-10-13 | 2015-02-04 | 合肥庭索环保材料有限公司 | Light thermal-insulation exterior-wall coating |
| CN104446335A (en) * | 2014-12-15 | 2015-03-25 | 重庆市亚核保温材料股份有限公司 | Nanometer composite non-asbestos heat insulation felt and production method thereof |
| CN104987026A (en) * | 2015-06-01 | 2015-10-21 | 金海新源电气江苏有限公司 | Efficient rotary type total heat exchanger and application thereof |
| CN105968987A (en) * | 2016-02-25 | 2016-09-28 | 和县明生环保材料有限责任公司 | Sepiolite-fiber-added compound waterborne coating for outer wall and manufacturing method of coating |
| CN106145863A (en) * | 2016-06-30 | 2016-11-23 | 合肥广能新材料科技有限公司 | Environment-friendly type building insulation material and preparation method thereof |
| CN112680116A (en) * | 2020-12-23 | 2021-04-20 | 北京科英精益技术股份公司 | Inorganic heat-insulating adhesive and preparation method thereof |
| CN113070445A (en) * | 2021-03-25 | 2021-07-06 | 广东新兴铸管有限公司 | Large-caliber nodular cast iron pipe die coating and preparation method and application thereof |
-
1994
- 1994-07-19 CN CN 94108428 patent/CN1115324A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6660078B2 (en) * | 2001-12-03 | 2003-12-09 | Halliburton Energy Services, Inc. | Methods, well cement compositions and lightweight additives therefor |
| CN100408501C (en) * | 2007-01-23 | 2008-08-06 | 潘传章 | Multifunctional additive for insulating dry-mixed motar |
| CN101792290B (en) * | 2010-03-08 | 2014-06-04 | 蒋发学 | Composite silicate multifunctional paint and preparation method thereof |
| CN101792290A (en) * | 2010-03-08 | 2010-08-04 | 蒋发学 | Composite silicate multifunctional paint and preparation method thereof |
| CN102101778A (en) * | 2010-12-09 | 2011-06-22 | 傅桂云 | Inorganic lightweight refractory construction heat preserving material |
| CN102311255A (en) * | 2011-03-15 | 2012-01-11 | 苏州伊索来特耐火纤维有限公司 | Fibrous high-temperature adhesive and preparation method thereof |
| CN102311255B (en) * | 2011-03-15 | 2013-04-17 | 苏州伊索来特耐火纤维有限公司 | Fibrous high-temperature adhesive and preparation method thereof |
| CN102674777A (en) * | 2012-04-13 | 2012-09-19 | 上海英硕聚合材料股份有限公司 | High-performance nanometer thermal-insulation paste |
| CN102674777B (en) * | 2012-04-13 | 2013-08-14 | 上海英硕聚合材料股份有限公司 | High-performance nanometer thermal-insulation paste |
| CN103387372A (en) * | 2013-08-05 | 2013-11-13 | 李志军 | High-efficiency energy-saving thermal insulating material |
| CN103740184A (en) * | 2014-01-15 | 2014-04-23 | 芜湖市宝艺游乐科技设备有限公司 | High-permeability composite heat dissipating coating |
| CN104326726A (en) * | 2014-10-13 | 2015-02-04 | 合肥庭索环保材料有限公司 | Light thermal-insulation exterior-wall coating |
| CN104446335A (en) * | 2014-12-15 | 2015-03-25 | 重庆市亚核保温材料股份有限公司 | Nanometer composite non-asbestos heat insulation felt and production method thereof |
| CN104987026A (en) * | 2015-06-01 | 2015-10-21 | 金海新源电气江苏有限公司 | Efficient rotary type total heat exchanger and application thereof |
| CN105968987A (en) * | 2016-02-25 | 2016-09-28 | 和县明生环保材料有限责任公司 | Sepiolite-fiber-added compound waterborne coating for outer wall and manufacturing method of coating |
| CN106145863A (en) * | 2016-06-30 | 2016-11-23 | 合肥广能新材料科技有限公司 | Environment-friendly type building insulation material and preparation method thereof |
| CN112680116A (en) * | 2020-12-23 | 2021-04-20 | 北京科英精益技术股份公司 | Inorganic heat-insulating adhesive and preparation method thereof |
| CN113070445A (en) * | 2021-03-25 | 2021-07-06 | 广东新兴铸管有限公司 | Large-caliber nodular cast iron pipe die coating and preparation method and application thereof |
| CN113070445B (en) * | 2021-03-25 | 2021-12-10 | 广东新兴铸管有限公司 | Large-caliber nodular cast iron pipe die coating and preparation method and application thereof |
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