CN103553549B - A kind of ceramic kiln heat radiation coating - Google Patents
A kind of ceramic kiln heat radiation coating Download PDFInfo
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- CN103553549B CN103553549B CN201310524317.0A CN201310524317A CN103553549B CN 103553549 B CN103553549 B CN 103553549B CN 201310524317 A CN201310524317 A CN 201310524317A CN 103553549 B CN103553549 B CN 103553549B
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Abstract
The invention discloses a kind of ceramic kiln heat radiation coating, comprise base-material, additive, tackiness agent, softening agent and solvent, base-material and additive be selected from gahnite powder, manganese-aluminium spinelle powder, ilmenite powder, norbide, ferric oxide, five kinds of desiliconization zirconium powder or all; Tackiness agent is made up of liquid phosphoric acid aluminum dihydrogen, liquid phosphoric acid dihydro magnesium.The weight percent of described base-material and additive is 6%-75%, and the weight percent of tackiness agent is 5%-29%, and the weight percent of softening agent is 0.5%-3%, and surplus is solvent.It is large that this coating has operating temperature range, and can use at the temperature more than 1400 DEG C, maximum operation (service) temperature can reach nearly 2000 DEG C; And be applicable to various matrix, to the strong adhesion of matrix, be applicable to soda acid multiple ambient, long-term durability is good, heat shock resistance ability to bear is strong, improves energy utilization thermo-efficiency, reduces the substrate temperature that coating covers, wear-resisting and good corrosion resistance is little to environmental influence, easy to use.
Description
Technical field
The present invention relates to a kind of ceramic kiln heat radiation coating, more precisely, relate to a kind of high emissivity coating that can improve furnace thermal efficiency, can be applicable to the roller kiln of ceramic industry, tunnel furnace, shuttle kiln.
Background technology
Ceramic kiln heat radiation coating is applied in a lot of industry; it can be used in the heat absorbent surface of various industrial furnace as refractory materials; utilize coating to the principle of thermal-radiating high-absorbility and high emissivity; improve High Temperature Furnaces Heating Apparatus kiln lining body to the absorption of furnace flame heat; improve the heat exchange conditions of burner hearth, body of heater is dispelled the heat and declines, add the thermo-efficiency of energy utilization; to burner hearth substrate material, there is good provide protection simultaneously, extend stove work-ing life, reduce maintenance workload.In addition, by strengthening Radiative heat transfer in furnace, the homogeneity of temperature field in furnace and the heating quality of heated object can also be improved.
Ceramic kiln heat radiation coating is made up of high temperature resistant base-material, high emissivity additive and tackiness agent usually.Normally used high temperature resistant base-material has zirconium white, zirconium silicate, aluminum oxide, pure aluminium silicate, silicon-dioxide etc.High emissivity additive is most typical is transition metal oxide, such as, and chromic oxide (Cr
2o
3), cobalt oxide (CoOx), ferric oxide (Fe
2o
3) and nickel oxide (NiO).In some coating, high temperature resistant base-material and high emissivity additive are same material.
Following factor should be considered: under high temperature, there is metastable high emissivity during the design of ceramic kiln heat radiation coating; Suitable particle size; With the thermal expansion matching of matrix, mechanical bond, chemical binding; The hot properties of coating, erosion resistance and wear resistance; There are good sticking power and rheological under normal temperature, are easy to construction; Finally also have the cost of coating, if the cost of coating is far away higher than the energy recovery of plan, so this coating is without any economic implications.
Have developed the ceramic kiln heat radiation coating of multiple formulations and purposes at present both at home and abroad.But when application of paints is to higher temperature, or when carrying out work for a long time under multicomponent atmosphere, the performance of coating can be subject to great impact, coating efficiencies declines and even lost efficacy.
Summary of the invention
The object of this invention is to provide one in temperature more than 1400 DEG C, to work under multicomponent atmosphere for a long time, be easy to construct (spray gun can be used to spray), economical and practical ceramic kiln heat radiation coating.This coating can be applicable to oil, chemical industry, metallurgical furnace kiln, and can improve the thermo-efficiency of stove.
Following technical scheme is adopted: a kind of ceramic kiln heat radiation coating, is characterized in that: comprise base-material, additive, tackiness agent, softening agent and solvent for realizing object of the present invention, wherein:
Described base-material and additive be selected from gahnite powder, manganese-aluminium spinelle powder, ilmenite powder, norbide, ferric oxide, five kinds of desiliconization zirconium powder or all;
Described tackiness agent is made up of liquid phosphoric acid aluminum dihydrogen, liquid phosphoric acid dihydro magnesium.
Preferably, described softening agent is selected from yellow starch gum and/or carboxymethyl cellulose.
Preferably, described solvent be selected from silicon sol, water one or both.
Preferably, the weight percent of described base-material and additive is 5%-78%, and the weight percent of tackiness agent is 5%-30%, and the weight percent of softening agent is 0.5%-3%, and surplus is solvent.
Preferably, described high emissivity additive is nano material.
Coating of the present invention contains gahnite powder, makes the emittance not only improving coating, and coating can use for a long time in acid-basicity atmosphere.Additive of the present invention is nano material, and specific surface area is large, and the ability absorbing various photon is strong, further increases the emittance of coating.Coating of the present invention is made by Powdered base-material and additive, softening agent, liquid adhesive and solvent, when low temperature brushing or spray to stove matrix on or on metallic conduit, by using after 100 DEG C of dryings, construct simple and convenient.Coating of the present invention can use at the temperature more than 1400 DEG C, and maximum operation (service) temperature can reach nearly 2000 DEG C.In addition, ceramic kiln heat radiation coating of the present invention is applicable to various matrix, to the strong adhesion of matrix, be applicable to soda acid multicomponent atmosphere, long-term durability is good, heat shock resistance ability to bear is strong, improve energy utilization thermo-efficiency, reduce substrate temperature, wear-resisting and good corrosion resistance, little to environmental influence, easy to use.
Embodiment
For the technique effect easy to understand making technical problem to be solved by this invention, the technical scheme taked, obtain, existing the present invention is further illustrated in conjunction with the embodiments.
Embodiment 1 gahnite powder 20%, manganese-aluminium spinelle powder 15%, ilmenite powder 10%, norbide 5%, ferric oxide 3%, desiliconization zirconium powder 2%, tackiness agent 25%, yellow starch gum 0.5%, all the other are solvent, and fully mixing can obtain coating of the present invention.
Embodiment 2
Gahnite powder 30%, manganese-aluminium spinelle powder 5%, ilmenite powder 10%, norbide 5%, ferric oxide 3%, desiliconization zirconium powder 2%, tackiness agent 25%, yellow starch gum 0.5%, all the other are solvent, and fully mixing can obtain coating of the present invention.
Embodiment 3
Gahnite powder 25%, manganese-aluminium spinelle powder 10%, ilmenite powder 10%, norbide 5%, ferric oxide 3%, desiliconization zirconium powder 2%, tackiness agent 25%, yellow starch gum 0.5%, all the other are solvent, and fully mixing can obtain coating of the present invention.
Abrasion loss is tested:
Get the sample that the various embodiments described above obtain respectively, on spray refractory standard sample, and be heated to 1400 DEG C of sintering, and get control sample respectively and do not carry out spray treatment. adopt normal temperature wear resistant instrument to detect.After tested, the weighted average loss after the sample wearing and tearing of spraying sample is 0.5%, and the contrast exemplar quality average loss do not sprayed is 5.5%, so, through contrast test, use the resistance to abrasion of the test sample of coating higher about 11 times than not spraying sample.
Each raw material cited by the present invention can realize the present invention, does not enumerate at this; The bound value of each raw material of the present invention, and its interval value, can realize the present invention, not enumerate at this.
Claims (1)
1. a ceramic kiln heat radiation coating, is characterized in that described coating is made up of following component: gahnite powder 25%, manganese-aluminium spinelle powder 10%, ilmenite powder 10%, norbide 5%, ferric oxide 3%, desiliconization zirconium powder 2%, tackiness agent 25%, yellow starch gum 0.5%, all the other are solvent; Described tackiness agent is made up of by weight 1:1 mixing aluminium dihydrogen phosphate and primary magnesium phosphate; Between the density 1.1-1.46 of aluminium dihydrogen phosphate, the density of primary magnesium phosphate is between 1.1-1.35; Described solvent be selected from silicon sol, water one or both.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617112.6A CN105237002A (en) | 2013-10-31 | 2013-10-31 | Thermal radiation coating used for ceramic kilns |
| CN201310524317.0A CN103553549B (en) | 2013-10-31 | 2013-10-31 | A kind of ceramic kiln heat radiation coating |
| CN201510615229.0A CN105084922A (en) | 2013-10-31 | 2013-10-31 | Thermal radiation coating for kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310524317.0A CN103553549B (en) | 2013-10-31 | 2013-10-31 | A kind of ceramic kiln heat radiation coating |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510615229.0A Division CN105084922A (en) | 2013-10-31 | 2013-10-31 | Thermal radiation coating for kiln |
| CN201510617112.6A Division CN105237002A (en) | 2013-10-31 | 2013-10-31 | Thermal radiation coating used for ceramic kilns |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103553549A CN103553549A (en) | 2014-02-05 |
| CN103553549B true CN103553549B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510617112.6A Pending CN105237002A (en) | 2013-10-31 | 2013-10-31 | Thermal radiation coating used for ceramic kilns |
| CN201310524317.0A Active CN103553549B (en) | 2013-10-31 | 2013-10-31 | A kind of ceramic kiln heat radiation coating |
| CN201510615229.0A Pending CN105084922A (en) | 2013-10-31 | 2013-10-31 | Thermal radiation coating for kiln |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510617112.6A Pending CN105237002A (en) | 2013-10-31 | 2013-10-31 | Thermal radiation coating used for ceramic kilns |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510615229.0A Pending CN105084922A (en) | 2013-10-31 | 2013-10-31 | Thermal radiation coating for kiln |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979923B (en) * | 2014-05-08 | 2015-12-30 | 山东雅美特建陶有限公司 | Infrared high radiation paint of ceramic fiber and preparation method thereof |
| CN104478413B (en) * | 2014-11-24 | 2016-10-05 | 王建信 | A kind of pottery and preparation technology thereof |
| CN110002722A (en) * | 2018-01-04 | 2019-07-12 | 秦皇岛玻璃工业研究设计院有限公司 | A method of improving glass furnace radiant heating efficiency |
| CN109293378A (en) * | 2018-10-16 | 2019-02-01 | 北京隆源纳欣科技有限公司 | A kind of high radiation ceramic coating and preparation method thereof |
| CN111908912A (en) * | 2020-08-06 | 2020-11-10 | 天津泰久新科技有限公司 | High-energy thermal radiation absorbing material |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61279336A (en) * | 1985-06-04 | 1986-12-10 | Sotoshige Miyoshi | Method and machine for molding |
| CN100467428C (en) * | 2007-06-04 | 2009-03-11 | 宜兴市国强炉业有限公司 | High temperature wear resistant paint and its production process |
| CN101343427A (en) * | 2008-08-19 | 2009-01-14 | 中国建筑材料科学研究总院 | Inorganic radiation paint for inner lining of kiln |
| CN102585571B (en) * | 2012-01-12 | 2013-11-27 | 广东新劲刚新材料科技股份有限公司 | Infrared energy-saving coating with anti-corrosion and anti-coking functions and preparation method thereof |
| CN102584280A (en) * | 2012-01-18 | 2012-07-18 | 赵凯 | Nano ceramic coating with high emissivity |
| CN102875177B (en) * | 2012-10-31 | 2014-03-12 | 淄博中硅陶瓷技术有限公司 | Infrared energy-saving coating of high-temperature kiln and preparation method thereof |
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2013
- 2013-10-31 CN CN201510617112.6A patent/CN105237002A/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105084922A (en) | 2015-11-25 |
| CN105237002A (en) | 2016-01-13 |
| CN103553549A (en) | 2014-02-05 |
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Inventor after: Pan Shuimin Inventor before: Tang Lianfang |
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Effective date of registration: 20151104 Address after: 362300 Fujian city of Nanan Province Le Feng Zhen Hu Nei Cun Applicant after: TANG LIANFANG Address before: No. 13 Eagle Road 313117 Zhejiang city of Huzhou province Changxing County Meishan Industrial Park Applicant before: Tang Lianfang |
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