CN106752139A - A kind of heat power equipment and pipeline nano-thermal-insulating coating and preparation method thereof - Google Patents
A kind of heat power equipment and pipeline nano-thermal-insulating coating and preparation method thereof Download PDFInfo
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- CN106752139A CN106752139A CN201611148010.5A CN201611148010A CN106752139A CN 106752139 A CN106752139 A CN 106752139A CN 201611148010 A CN201611148010 A CN 201611148010A CN 106752139 A CN106752139 A CN 106752139A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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Abstract
The present invention relates to a kind of heat power equipment and pipeline nano-thermal-insulating coating and preparation method thereof, belong to heat-insulating technique field.It is first mixed silica aerogel with opacifier, is added after being then stirred ethanol solution and the fast T of bleeding agent in above-mentioned substance, and paste aeroge latex is obtained；Paste aeroge latex dispersion is added to obtain final product product heat power equipment and pipeline nano-thermal-insulating coating after finally unclassified stores is sufficiently stirred for.It with nanometer silica aerogel is main body heat-insulating material that the present invention is, it is aided with opacifier, binding agent, framework material etc., using the nano-thermal-insulating coating of special process, with density it is small, thermal conductivity factor is low, easy construction the characteristics of, disposable smearing thickness reaches more than 20mm, suitable for high temperature heat power equipment and pipeline, insulation standard and the requirement of correlation can be met.
Description
Technical field
The present invention relates to a kind of heat power equipment and pipeline nano-thermal-insulating coating and preparation method thereof, belong to heat-insulating technique neck
Domain.
Background technology
At present, used as heat-insulating material, most widely used is nanoporous aerogel felt in the market application nanometer silica aerogel.Although
Aerogel blanket is flexible, deformation, but in bending, bounce is big due to it, therefore in construction, particularly small-bore pipeline and
When being constructed in special-shaped equipment, the application number of plies is more, and difficulty of construction is big, and gap is difficult closely, to easily cause heat bridge, and dust is big, time-consuming
Arduously, construction environment is deteriorated.The conventional adiabatic coating applied on pipeline and special-shaped equipment at present, because its thermal conductivity factor is high,
Applied thickness is big, under narrow space, insulation requirements environment higher, cannot also meet owner's requirement.
In recent years, market occurs in that many nano-thermal-insulating coating products, and it is mainly traditional coating, mostly instead
Emitting, once brushing finite thickness, uses at high temperature for a long time, it is impossible to meet the insulation requirements of industrial heat power equipment.
The content of the invention
It is an object of the present invention to overcome the above deficiencies, there is provided a kind of heat power equipment and pipeline nano-thermal-insulating coating
And preparation method thereof.
According to the technical scheme that the present invention is provided, a kind of heat power equipment and pipeline nano-thermal-insulating coating, formula rate is pressed
Weight portion meter is as follows：Silica aerogel 14-22 parts, opacifier 6-8 parts, 18-28 parts of the ethanol solution that volumetric concentration is 10%, infiltration
0.1 part of the fast T of agent, water 15-25 parts, 8-12 parts of fixed length chopped strand, 0.3 part of hydroxy-silicone-oil emulsion, sodium hexametaphosphate dispersant
0.1 part, 0.3 part of inorganic gel, Ludox or aluminium dihydrogen phosphate 2-2.5 parts, ethene-vinyl acetate copolymer emulsion or propylene yogurt
Liquid emulsion 1.2-1.7 parts and cenosphere 15-20 parts；
Silica aerogel is mixed with opacifier first, is added after being then stirred ethanol solution and the fast T of bleeding agent
State in material, paste aeroge latex is obtained；Paste aeroge latex dispersion is added after finally unclassified stores is sufficiently stirred for i.e.
Obtain product heat power equipment and pipeline nano-thermal-insulating coating.
The opacifier is carborundum or zirconium oxide.
The fixed length chopped strand is specially glass fibre, high silica fiber or alumina silicate fibre；Its a diameter of 7-9 μm,
Length is 3mm, 6mm and 12mm.
The inorganic gel is lithium magnesium silicate or swelled ground.
The cenosphere is hollow glass bead or ceramic hollow microballon.
The preparation method of the heat power equipment and pipeline nano-thermal-insulating coating, by weight step are as follows：
（1）Fusion：Mechanical fusion is carried out in nanometer coating machine with opacifier 6-8 parts by silica aerogel 14-22 parts first, is being hidden
Photo etching powder surface coats silica aerogel；
（2）Stirring：Addition volumetric concentration is ethanol solution 18-28 part and 0.1 part of the fast T of bleeding agent of 10% in agitator, then
Add step（1）Gained powder, 2800-3200r/min carries out strong stirring in closed agitator, makes paste gas
Gel latex；
（3）It is prepared by paste：In dispersion bucket put into 15-25 parts of water, 8-12 parts of fixed length chopped strand, 0.3 part of hydroxyl silicone emulsion,
0.1 part of sodium hexametaphosphate dispersant, 0.3 part of inorganic gel, Ludox or aluminium dihydrogen phosphate 2-2.5 parts, cenosphere 15-20 parts
With 1.2-1.7 parts of ethene-vinyl acetate copolymer emulsion or acrylic emulsion emulsion, 180-220r/min is sufficiently stirred for, and is allowed into
It is thick slurry；Then step is added（2）Gained aeroge latex is prepared, 180-220r/min is sufficiently stirred for dispersion, i.e.,
Obtain product heat power equipment and pipeline nano-thermal-insulating coating.
Step（3）The fixed length chopped strand is divided into tri- specifications of 3mm, 6mm and 12mm, and weight ratio is 3mm：6mm：
12mm is 4-6：2-4：1-3.
Beneficial effects of the present invention：It with nanometer silica aerogel is main body heat-insulating material that the present invention is, is aided with opacifier, bonds
Agent, framework material etc., using the nano-thermal-insulating coating of special process, with density it is small, thermal conductivity factor is low, easy construction
Feature, disposable smearing thickness reaches more than 20mm, it is adaptable to high temperature heat power equipment and pipeline, can meet the insulation standard of correlation
And require.
Specific embodiment
The preparation method of heat power equipment and pipeline nano-thermal-insulating coating, by weight step described in embodiment 1 are such as
Under：
（1）Fusion：First by silica aerogel, 22 parts carry out mechanical fusion with 8 parts of opacifier carborundum in nanometer coating machine,
Opacifier powder surface coats silica aerogel；
（2）Stirring：28 parts and 0.1 part of the fast T of bleeding agent of the ethanol solution that volumetric concentration is 10% is added in agitator, is added
Step（1）Gained powder, 3200r/min carries out strong stirring in closed agitator, makes paste aeroge latex；
（3）It is prepared by paste：15 parts of water, 8 parts of fixed length short glass fiber, hydroxyl silicone emulsion 0.3 part, point are put into dispersion bucket
0.1 part of powder calgon, 0.3 part of inorganic gel lithium magnesium silicate, 2 parts of Ludox, 15 parts of hollow glass bead and EVA emulsions
1.2 parts, 180r/min is sufficiently stirred for, and makes thick slurry；Then step is added（2）Prepare gained aeroge glue
Breast, 220r/min is sufficiently stirred for dispersion, obtains final product product heat power equipment and pipeline nano-thermal-insulating coating.
Step（3）The fixed length chopped strand is divided into tri- specifications of 3mm, 6mm, 12mm, and weight ratio is 3mm：6mm：
12mm is 5：3：2.
Nano-thermal-insulating coating wet density 500kg/m3, dry density 160kg/m3, thermal conductivity factor 0.024W/ obtained by preparation
MK, resistance to temperature≤650 DEG C.
The preparation method of heat power equipment and pipeline nano-thermal-insulating coating, by weight step described in embodiment 2 are such as
Under：
（1）Fusion：First by silica aerogel, 18 parts carry out mechanical fusion with 7 parts of opacifier carborundum in nanometer coating machine,
Opacifier powder surface coats silica aerogel；
（2）Stirring：23 parts and 0.1 part of the fast T of bleeding agent of the ethanol solution that volumetric concentration is 10% is added in agitator, is added
Step（1）Gained powder, 3200r/min carries out strong stirring in closed agitator, makes paste aeroge latex；
（3）It is prepared by paste：20 parts of water, fixed length chopped 10 parts of high silica fiber, hydroxyl silicone emulsion 0.3 are put into dispersion bucket
Part, 0.1 part of sodium hexametaphosphate dispersant, 0.3 part of inorganic gel lithium magnesium silicate, 2.5 parts of Ludox, 18 parts of ceramic hollow microballon and
1.7 parts of ethene-vinyl acetate copolymer emulsion, 220r/min is sufficiently stirred for, and makes thick slurry；Then step is added
Suddenly（2）Gained aeroge latex is prepared, 180r/min is sufficiently stirred for dispersion, obtains final product product heat power equipment and pipeline nano-thermal-insulating
Coating.
Step（3）The fixed length chopped strand is divided into tri- specifications of 3mm, 6mm, 12mm, and weight ratio is 3mm：6mm：
12mm is 4：3：2.
Nano-thermal-insulating coating wet density 600kg/m3, dry density 180kg/m3, thermal conductivity factor 0.026W/ obtained by preparation
MK, resistance to temperature≤800 DEG C.
The preparation method of heat power equipment and pipeline nano-thermal-insulating coating, by weight step described in embodiment 3 are such as
Under：
（1）Fusion：First by silica aerogel, 14 parts carry out mechanical fusion with 6 parts of opacifier zirconium oxide in nanometer coating machine,
Opacifier powder surface coats silica aerogel；
（2）Stirring：18 parts and 0.1 part of the fast T of bleeding agent of the ethanol solution that volumetric concentration is 10% is added in agitator, is added
Step（1）Gained powder, 3200r/min carries out strong stirring in closed agitator, makes paste aeroge latex；
（3）It is prepared by paste：25 parts of water, fixed length chopped 12 parts of alumina silicate fibre, hydroxyl silicone emulsion 0.3 are put into dispersion bucket
Part, 0.1 part of sodium hexametaphosphate dispersant, 0.3 part of inorganic gel swelled ground, 2.5 parts of aluminium dihydrogen phosphate, 20 parts of ceramic hollow microballon
With 1.7 parts of acrylic emulsion emulsion, 200r/min is sufficiently stirred for, and makes thick slurry；Then step is added（2）System
Standby gained aeroge latex, 200r/min is sufficiently stirred for dispersion, obtains final product product heat power equipment and pipeline nano-thermal-insulating coating.
Step（3）The fixed length chopped strand is divided into tri- specifications of 3mm, 6mm, 12mm, and weight ratio is 3mm：6mm：
12mm is 5：3：3.
Nano-thermal-insulating coating wet density 800kg/m3, dry density 220kg/m3, thermal conductivity factor 0.028W/ obtained by preparation
MK, resistance to temperature≤1000 DEG C.
Claims (7)
1. a kind of heat power equipment and pipeline nano-thermal-insulating coating, it is characterized in that formula rate is as follows by weight：Silicon airsetting
Glue 14-22 parts, opacifier 6-8 parts, 18-28 parts of the ethanol solution that volumetric concentration is 10%, 0.1 part of the fast T of bleeding agent, water 15-25
Part, 8-12 parts of fixed length chopped strand, 0.3 part of hydroxy-silicone-oil emulsion, 0.1 part of sodium hexametaphosphate dispersant, 0.3 part of inorganic gel,
Ludox or 1.2-1.7 parts of aluminium dihydrogen phosphate 2-2.5 parts, ethene-vinyl acetate copolymer emulsion or acrylic emulsion emulsion and sky
15-20 parts of heart microballon；
Silica aerogel is mixed with opacifier first, is added after being then stirred ethanol solution and the fast T of bleeding agent
State in material, paste aeroge latex is obtained；Paste aeroge latex dispersion is added after finally unclassified stores is sufficiently stirred for i.e.
Obtain product heat power equipment and pipeline nano-thermal-insulating coating.
2. heat power equipment as claimed in claim 1 and pipeline nano-thermal-insulating coating, it is characterized in that：The opacifier is carborundum
Or zirconium oxide.
3. heat power equipment as claimed in claim 1 and pipeline nano-thermal-insulating coating, it is characterized in that：The fixed length chopped strand tool
Body is glass fibre, high silica fiber or alumina silicate fibre；Its a diameter of 7-9 μm, length is 3mm, 6mm and 12mm.
4. heat power equipment as claimed in claim 1 and pipeline nano-thermal-insulating coating, it is characterized in that：The inorganic gel is silicic acid
Magnesium lithium or swelled ground.
5. heat power equipment as claimed in claim 1 and pipeline nano-thermal-insulating coating, it is characterized in that：The cenosphere is glass
Cenosphere or ceramic hollow microballon.
6. the preparation method of heat power equipment described in claim 1 and pipeline nano-thermal-insulating coating, it is characterized in that by weight
Step is as follows：
（1）Fusion：Mechanical fusion is carried out in nanometer coating machine with opacifier 6-8 parts by silica aerogel 14-22 parts first, is being hidden
Photo etching powder surface coats silica aerogel；
（2）Stirring：Addition volumetric concentration is ethanol solution 18-28 part and 0.1 part of the fast T of bleeding agent of 10% in agitator, then
Add step（1）Gained powder, 2800-3200r/min carries out strong stirring in closed agitator, makes paste gas
Gel latex；
（3）It is prepared by paste：In dispersion bucket put into 15-25 parts of water, 8-12 parts of fixed length chopped strand, 0.3 part of hydroxyl silicone emulsion,
0.1 part of sodium hexametaphosphate dispersant, 0.3 part of inorganic gel, Ludox or aluminium dihydrogen phosphate 2-2.5 parts, cenosphere 15-20 parts
With 1.2-1.7 parts of ethene-vinyl acetate copolymer emulsion or acrylic emulsion emulsion, 180-220r/min is sufficiently stirred for, and is allowed into
It is thick slurry；Then step is added（2）Gained aeroge latex is prepared, 180-220r/min is sufficiently stirred for dispersion, i.e.,
Obtain product heat power equipment and pipeline nano-thermal-insulating coating.
7. the preparation method of heat power equipment as claimed in claim 6 and pipeline nano-thermal-insulating coating, it is characterized in that：Step（3）
The fixed length chopped strand is divided into tri- specifications of 3mm, 6mm and 12mm, and weight ratio is 3mm：6mm：12mm is 4-6：2-4：1-
3。
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110105043A (en) * | 2019-05-24 | 2019-08-09 | 厦门博赢技术开发有限公司克拉玛依分公司 | A kind of nano ceramics composite adiabatic injection boiler boiler tube pipe clamp protective device and preparation method thereof |
| CN110342849A (en) * | 2019-08-08 | 2019-10-18 | 辽宁新发展公路科技养护有限公司 | A method of prefabricated drain tank is prepared using the regeneration of bituminous pavement top milling material |
| CN110436827A (en) * | 2019-08-08 | 2019-11-12 | 辽宁新发展公路科技养护有限公司 | The method for preparing prefabricated pavement brick is regenerated using bituminous pavement top milling material |
| CN110436826A (en) * | 2019-08-08 | 2019-11-12 | 辽宁新发展公路科技养护有限公司 | A method of prefabricated gutter is prepared using the regeneration of bituminous pavement top milling material |
| CN110451851A (en) * | 2019-08-08 | 2019-11-15 | 辽宁新发展公路科技养护有限公司 | The method for preparing prefabricated six rib protecting block of side slope is regenerated with bituminous pavement top milling material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110105043A (en) * | 2019-05-24 | 2019-08-09 | 厦门博赢技术开发有限公司克拉玛依分公司 | A kind of nano ceramics composite adiabatic injection boiler boiler tube pipe clamp protective device and preparation method thereof |
| CN110105043B (en) * | 2019-05-24 | 2021-09-10 | 厦门博赢技术开发有限公司克拉玛依分公司 | Nano ceramic composite heat-insulation steam-injection boiler tube clamp protection device and preparation method thereof |
| CN110342849A (en) * | 2019-08-08 | 2019-10-18 | 辽宁新发展公路科技养护有限公司 | A method of prefabricated drain tank is prepared using the regeneration of bituminous pavement top milling material |
| CN110436827A (en) * | 2019-08-08 | 2019-11-12 | 辽宁新发展公路科技养护有限公司 | The method for preparing prefabricated pavement brick is regenerated using bituminous pavement top milling material |
| CN110436826A (en) * | 2019-08-08 | 2019-11-12 | 辽宁新发展公路科技养护有限公司 | A method of prefabricated gutter is prepared using the regeneration of bituminous pavement top milling material |
| CN110451851A (en) * | 2019-08-08 | 2019-11-15 | 辽宁新发展公路科技养护有限公司 | The method for preparing prefabricated six rib protecting block of side slope is regenerated with bituminous pavement top milling material |
| CN110436826B (en) * | 2019-08-08 | 2021-11-02 | 辽宁新发展公路科技养护有限公司 | Method for preparing prefabricated drainage ditch by utilizing asphalt pavement surface layer milling material regeneration |
| CN110436827B (en) * | 2019-08-08 | 2021-11-30 | 辽宁新发展公路科技养护有限公司 | Method for preparing prefabricated pedestrian pavement brick by utilizing pavement milling and planing material regeneration of asphalt pavement |
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Denomination of invention: A nano thermal insulation coating for thermal equipment and pipeline and its preparation method Effective date of registration: 20200814 Granted publication date: 20190205 Pledgee: Wuxi Xishan sub branch of Bank of China Ltd. Pledgor: WUXI CITY MINGJIANG INSULATION MATERIAL Co.,Ltd. Registration number: Y2020320010113 |
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