CN103058627A - High-temperature-resistant energy-saving nano coating - Google Patents
High-temperature-resistant energy-saving nano coating Download PDFInfo
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- CN103058627A CN103058627A CN2013100376392A CN201310037639A CN103058627A CN 103058627 A CN103058627 A CN 103058627A CN 2013100376392 A CN2013100376392 A CN 2013100376392A CN 201310037639 A CN201310037639 A CN 201310037639A CN 103058627 A CN103058627 A CN 103058627A
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Abstract
The invention discloses a high-temperature-resistant energy-saving nano coating. The high-temperature-resistant energy-saving nano coating is divided into a bottom coating and a surface coating in a weight ratio of 1:2, wherein the weight ratio of a component A to a component C in the surface coating is 1:(1.2-1.5), and the weight ratio of a component B to the component C in the bottom coating is 1:(1.0-1.5); the component A consists of feldspar, flint clay, kaolin, mullite, iolite, zirconium dioxide, zeolite, nano aluminum oxide, mica and zircon sand; the component B consists of nano titanium dioxide, conventional titanium dioxide, nano silicon dioxide, conventional silicon dioxide and nano aluminum oxide; and the component C consists of aluminum dihydrogen phosphate. The high-temperature-resistant energy-saving nano coating has long-term stable high emissivity, is compact in coating layer, has high high-temperature anti-powdering performance, and is long in service life, convenient to industrialize, and good in energy-saving effect.
Description
Technical field
The present invention relates to nano paint, specifically a kind of high-temperature resistance energy-saving nanometer coating.
Background technology
At present domestic and international high-temperature infrared energy-conserving paint can be divided into two classes basically.The first kind is the infrared coating take silicon carbide as main body, such as the multinational Encoat infrared coating of uniting release of Britain Harbert Beven company and Europe Australia.Equations of The Second Kind is the infrared coating take transition metal oxide (such as chromic oxide, nickel oxide etc.) as main body.Such as infrared coating CRC1100, CRC1500 that Japanese CRC company releases, radiating powder is comprised of cobalt oxide, chromic oxide, nickel oxide, Manganse Dioxide etc.Because the high temperature oxidation problem of silicon carbide can not get effective solution, causes emittance constantly to decay always, short-term has certain energy-saving effect, and long-acting (being more than 6-12 month) energy-saving effect is very undesirable, has the short-term fascination, can't effectively promote; Carbofrax material density is very large simultaneously, very easily sinks in coating, causes serious layering.The employed material of Equations of The Second Kind must mix through 1200 ℃ high-temperature calcination, high temperature, also need pulverize afterwards, the operation such as ball milling, and the high and contaminate environment of production process energy consumption the more important thing is that energy-saving effect is undesirable, can't large-scale promotion.Above-mentioned two class coating do not possess the anti-powder performance of high temperature basically because coating is fine and close not.
In order to address the above problem, the applicant once applied for Chinese patent " a kind of high-temperature nanometer energy-saving coating ", the patent No. is: 2010102776447, and this patent provides a kind of asepsis environment-protecting, high emissivity, has stablized, has been convenient to the high-temperature nanometer energy-saving coating of industrialization; But it also has the following disadvantages: refractoriness is lower slightly, and the shelf lives is shorter, dry too fast easy foaming; In addition, find after deliberation, impurity is more in the raw materials used Z 250 of this patent, the talcum powder, can reduce the coating refractoriness; According to market survey, the used Suzhou soil of this patent is also exploited complete substantially, therefore needs to seek a kind of new material and substitutes.
Summary of the invention
The purpose of this invention is to provide a kind of high-temperature resistance energy-saving nanometer coating, it can be coated on refractory brick, mould material, refractory fibre etc. on the Industrial Stoves of furnace lining material, the boiler; Solved the problem in the background technology, we have done following adjustment: impurity is more in Z 250, the talcum powder, can reduce the coating refractoriness, therefore do not re-use; With Suzhou soil (substantially exploiting complete) and mineral devitrified glass in the alternative former patent of flint clay, flint clay is good hard fireclay, has refractoriness high, Stability Analysis of Structures under the high temperature, and raw material is easy to get and can reduces cost.
A kind of high-temperature resistance energy-saving nanometer coating is divided into the primary coat and the face that are used in conjunction with and is coated with two kinds of coating, and according to weight ratio, primary coat: face is coated with=1:2, and face is coated with middle A component: C component=1:1.2～1.5, B component in the primary coat: C component=1:1.0～1.5;
Described A component is comprised of following parts by weight raw material: 5～10 parts of feldspars, 5～15 parts of flint claies, 5～15 parts of kaolin, 5～15 parts of mullites, 5～20 parts of trichroites, 1～10 part of zirconium dioxide, 5～20 parts in zeolite, 2～15 parts of nano aluminium oxides, 1～10 part on mica, 1～10 part of zircon sand;
Described B component is comprised of following parts by weight raw material: 1～10 part of nano titanium oxide, 30～50 parts of conventional titanium dioxide, 1～10 part of nano silicon, 30～50 parts of Normal silicas;
Described C component is: aluminium dihydrogen phosphate.
The component of C described in the present invention uses aluminium dihydrogen phosphate liquid.
The fineness of the component of A described in the present invention is 325～1200 orders.
In the component of B described in the present invention, the nano titanium oxide particle diameter is 20～50 nanometers, and conventional titanium dioxide particle diameter is 800～1200 orders; The nano silicon particle diameter is 50～100 nanometers, and the Normal silica particle diameter is 500～1000 orders.
Face described in the present invention be coated be by with the A component after evenly mixing under normal temperature, the normal pressure, fully disperse, stir and make under the high speed dispersion stirrer with the C component again.
Primary coat described in the present invention is by the nano titanium oxide in the B component, nano silicon being added under high speed dispersor in the C component liquid step by step, add conventional titanium dioxide and Normal silica again, fully stirs under homogenizer and makes.
High-temperature resistance energy-saving nanometer coating of the present invention can be applied to the industrial high temperature stoves such as 600 ℃～1500 ℃ various process furnace, boiler, heat treatment furnace, stoving oven take coal, oil, electricity, gas as the energy.
Compared with prior art, advantage of the present invention is:
1, material therefor at high temperature reacts and forms that crystalline network is stable and emittance is steady in a long-term;
2, emissivity of coatings 〉=0.86 when authoritative department detects 900 ℃～1500 ℃
3, without the technique of the contaminate environment such as high-temperature calcination, be convenient to industrialization;
3, be the environmental protection coating material of water-based, nontoxic, VOC free;
4, storage is very stable, detects to sink through authoritative department to be downgraded to 10 grades;
5, workability is good, is convenient to the industrialization site operation;
6, the coating densification has the anti-powder performance of good high temperature;
7, coating adhesion is stronger, greater than 8MPa.
8, work-ing life was above 2 years.
Embodiment
Below in conjunction with embodiment high-temperature resistance energy-saving nanometer application of paints involved in the present invention is described further.
Embodiment 1: be used for the high-temperature resistance energy-saving nanometer coating on the refractory brick.
The A component is comprised of following parts by weight raw material:
Feldspar 8
Flint clay 10
Kaolin 15
Mullite 12
Trichroite 18
Zirconium dioxide 5
Mica 4
Zircon sand 6
Zeolite 10
Nano aluminium oxide 12
The B component is comprised of following parts by weight raw material:
Nano titanium oxide 10
Conventional titanium dioxide 42
Nano silicon 6
Normal silica 42
Use 140 parts of aluminium dihydrogen phosphates in the C component with after the A component cooperates, stir, namely getting parts by weight is 240 parts; Use 120 parts of aluminium dihydrogen phosphates in the C component with after the B component cooperates, according to the concrete operations requirement, stir, namely getting parts by weight is 220 parts, concrete production technique is that the nano material in the B component is added under high speed dispersor in the C component liquid step by step, add again other non-nano material, make through fully stirring under the homogenizer.Concrete construction method is: brush first the formulated base paint of B component, namely brush the formulated coating materials of A component behind the coating surface drying, then at room temperature dry 24 hours, heat up with the equipment baker and solidify and can use.Use above-mentioned high-temperature resistance energy-saving nanometer coating at coal firing boiler, through the practical application in 3 years, the annual fractional energy savings reached more than 15%.
Embodiment 2: be used for the high-temperature resistance energy-saving nanometer coating on the mould material.
The A component is comprised of following parts by weight raw material:
Feldspar 6
Flint clay 10
Kaolin 12
Mullite 12
Trichroite 20
Zirconium dioxide 10
Mica 4
Zircon sand 6
Zeolite 8
Nano aluminium oxide 12
The B component is comprised of following parts by weight raw material:
Nano titanium oxide 8
Conventional titanium dioxide 45
Nano silicon 6
Normal silica 41
130 parts of aluminium dihydrogen phosphates in the C component stir with after the A component cooperates, and namely getting parts by weight is 220; 100 parts of aluminium dihydrogen phosphates in the C component, stir according to the concrete operations requirement with after the B component cooperates, and namely getting parts by weight is 250 parts, and concrete production technique is with example 1.Concrete construction method is: brush first the formulated base paint of B component, namely brush the formulated coating materials of A component behind the coating surface drying, then at room temperature dry 24 hours, heat up with the equipment baker and solidify and can use.Annular heater for rolling steel thousands of square metres of 1300 ℃ of coating areas of working temperature uses above-mentioned high-temperature resistance energy-saving nanometer coating, and through the practical application in 3 years, average annual fractional energy savings reached more than 12%.
Embodiment 3: be used for the high-temperature resistance energy-saving nanometer coating on the refractory fibre.
The A component is comprised of following parts by weight raw material:
Feldspar 8
Flint clay 15
Kaolin 14
Mullite 15
Trichroite 18
Zirconium dioxide 2
Mica 5
Zircon sand 5
Zeolite 8
Nano aluminium oxide 10
The B component is comprised of following parts by weight raw material:
Nano titanium oxide 10
Conventional titanium dioxide 40
Nano silicon 10
Normal silica 40
130 parts of aluminium dihydrogen phosphates in the C component stir with after the A component cooperates, and namely getting parts by weight is 230 parts; 130 parts of aluminium dihydrogen phosphates in the C component, stir according to the concrete operations requirement with after the B component cooperates, and namely getting parts by weight is 230, and concrete production technique is with example 1.Concrete construction method is: spraying first the formulated base paint of B component, is the formulated coating materials of application A component behind the coating surface drying, then at room temperature dry 24 hours, heats up with the equipment baker and solidifies and can use.Use above-mentioned energy-saving coatings at heat treatment furnace, electric furnace, through the practical application in 3 years, fractional energy savings generally reached more than 10%.
Above demonstration and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is by appended defining according to claims and equivalent thereof.
Claims (6)
1. a high-temperature resistance energy-saving nanometer coating is characterized in that, is divided into the primary coat and the face that are used in conjunction with and is coated with two kinds of coating, and according to weight ratio, primary coat: face is coated with=1:2, and face is coated with middle A component: C component=1:1.2～1.5, B component in the primary coat: C component=1:1.0～1.5;
Described A component is comprised of following parts by weight raw material: 5～10 parts of feldspars, 5～15 parts of flint claies, 5～15 parts of kaolin, 5～15 parts of mullites, 5～20 parts of trichroites, 1～10 part of zirconium dioxide, 5～20 parts in zeolite, 2～15 parts of nano aluminium oxides, 1～10 part on mica, 1～10 part of zircon sand;
Described B component is comprised of following parts by weight raw material: 1～10 part of nano titanium oxide, 30～50 parts of conventional titanium dioxide, 1～10 part of nano silicon, 30～50 parts of Normal silicas;
Described C component is: aluminium dihydrogen phosphate.
2. a kind of high-temperature resistance energy-saving nanometer coating according to claim 1, the C component uses aluminium dihydrogen phosphate liquid.
3. a kind of high-temperature resistance energy-saving nanometer coating according to claim 1 is characterized in that, the fineness of described A component is 325～1200 orders.
4. a kind of high-temperature resistance energy-saving nanometer coating according to claim 1 is characterized in that, in the described B component, the nano titanium oxide particle diameter is 20～50 nanometers, and conventional titanium dioxide particle diameter is 800～1200 orders; The nano silicon particle diameter is 50～100 nanometers, and the Normal silica particle diameter is 500～1000 orders.
5. a kind of high-temperature resistance energy-saving nanometer coating according to claim 1 is characterized in that, described face be coated be by with the A component after evenly mixing under normal temperature, the normal pressure, fully disperse, stir and make under the high speed dispersion stirrer with the C component again.
6. a kind of high-temperature resistance energy-saving nanometer coating according to claim 1, it is characterized in that, described primary coat is by the nano titanium oxide in the B component, nano silicon are added under high speed dispersor in the C component liquid step by step, add again conventional titanium dioxide and Normal silica, under homogenizer, fully stir and make.
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| CN2013100376392A CN103058627A (en) | 2013-01-31 | 2013-01-31 | High-temperature-resistant energy-saving nano coating |
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| CN2013100376392A CN103058627A (en) | 2013-01-31 | 2013-01-31 | High-temperature-resistant energy-saving nano coating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330159A (en) * | 2015-12-07 | 2016-02-17 | 河南省宏达炉业有限公司 | Glaze of coke oven door lining brick and processing method thereof |
| CN109650882A (en) * | 2018-12-28 | 2019-04-19 | 河南省锅炉压力容器安全检测研究院 | A kind of fiber liner composite coating and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928479A (en) * | 2010-09-10 | 2010-12-29 | 长沙科星纳米工程技术有限公司 | High-temperature nanometer energy-saving coating |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928479A (en) * | 2010-09-10 | 2010-12-29 | 长沙科星纳米工程技术有限公司 | High-temperature nanometer energy-saving coating |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330159A (en) * | 2015-12-07 | 2016-02-17 | 河南省宏达炉业有限公司 | Glaze of coke oven door lining brick and processing method thereof |
| CN105330159B (en) * | 2015-12-07 | 2018-08-17 | 河南省宏达炉业有限公司 | A kind of glaze and its processing method of coke oven door liner tile |
| CN109650882A (en) * | 2018-12-28 | 2019-04-19 | 河南省锅炉压力容器安全检测研究院 | A kind of fiber liner composite coating and preparation method thereof |
| CN109650882B (en) * | 2018-12-28 | 2021-06-22 | 河南省锅炉压力容器安全检测研究院 | Composite coating for fiber lining and preparation method thereof |
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Application publication date: 20130424 |