CN101591165B - Chromium-zirconium far-infrared radiation material and preparation method and application thereof - Google Patents
Chromium-zirconium far-infrared radiation material and preparation method and application thereof Download PDFInfo
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- CN101591165B CN101591165B CN200910051525A CN200910051525A CN101591165B CN 101591165 B CN101591165 B CN 101591165B CN 200910051525 A CN200910051525 A CN 200910051525A CN 200910051525 A CN200910051525 A CN 200910051525A CN 101591165 B CN101591165 B CN 101591165B
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- zirconium
- chromium
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- infrared radiation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a chromium-zirconium far-infrared radiation material, which is characterized by comprising the following compositions: Cr2O3, ZrO2, and one or more of chromite, ilmenite, magnesite and zircon sand. The chromium-zirconium far-infrared radiation material is subjected to silicate chemical and engineering treatment processes to form chromium-zirconium ceramic of spinels such as aluminum-magnesia spinel, nickel-ferric spinel and the like. The chromium-zirconium far-infrared radiation material is characterized by having stable high-temperature physical and chemical properties and particularly high high-temperature thermal emissivity. The chromium-zirconium ceramic far-infrared radiation material has wide sources of raw materials, high normal emissivity, epsilon n(40 DEG C) between 0.87 and 0.93, and difficult attenuation; and after the material is prepared into an energy-saving coating, the coating is combined with a lining refractory material firmly, and has obvious energy-saving effect, and long service life over three years generally.
Description
Technical field
The present invention relates to a kind of chromium-zirconium far-infrared radiation material, its preparation method and application thereof.
Background technology
As everyone knows, existing infrared radiant material mainly is directly to process with industrial chemicals.The most frequently used have SiC, CrO, MnO, CoO, NiO, FeO, a TiO
2Deng, but these materials exist use temperature on the low side, be prone to aging, not high defective of normal direction total emissivity and deficiency.
Table 1 has been listed the normal direction whole radiation rate of part industrial chemicals in the time of 400 ℃
| Title | ε n(400℃) |
| FeO | 0.64-0.75 |
| CrO | 0.73-0.76 |
| SiC | 0.75-0.84 |
| CoO | 0.80 |
| NiO | 0.80 |
| MnO | 0.81 |
The HFY-10 material emissivity measurement appearance that the said data of last table are developed by Chinese Academy of Sciences's Shanghai skill thing is measured.Table 2 is that the SiC raw material is heated to 400 ℃ respectively in air atmosphere, and insulation 4h and 8h are heated to 800 ℃, behind insulation 4h and the 8h, and its SiO
2The Determination on content value.As known from Table 2, along with serviceability temperature is high more, service time is long more in air atmosphere for SiC, and oxidation rate is accelerated, and the quick decay of change in volume and infrared emittance consequently takes place.
The table 2SiC in air atmosphere through differing temps and heat treated oxidation situation of time
Be noted that in recent years various ceramic fiber materials have used on industrial heating furnace, used in a large number as its refractorily lined material.It mainly comprises amorphous fibre, polycrystalline fibre, single crystal fibre and conjugated fibre.Distinguish by its trade name; The fiber that industrial furnace is commonly used has aluminum silicate fiber, high aluminum fiber, sapphire whisker and blend fiber.Table 3 is chemical constitutions of high-purity high aluminum silicate fiber.
The chemical constitution of the high-purity high aluminum silicate fiber of table 3
| Al 2O 3 | Al 2O 3+SiO 2 | Fe 2O 3 | K 2O+Na 2O |
| ≥60 | ≥99 | ≤0.2 | ≤0.2 |
As stated, commercially available infrared radiant material mostly contains FeO, MnO, CoO, NiO, TiO
2Wait these to have the industrial chemicals mixture of high reactivity composition.And these high reactivity compositions fine crystallization that can promote to make pottery, the result of crystallization can cause the fine volume change of making pottery, and makes fiber embrittlement, efflorescence and loses use value gradually; Another harm that these elemental metals oxide compounds exist is the refractoriness that can reduce ceramic fiber.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned deficiency of the prior art, a kind of radiant ratio of normal direction at high temperature height, stable especially, the resistant to elevated temperatures chromium-zirconium far-infrared radiation material of high temperature physical and chemical performance are provided.
For realizing above purpose, the present invention realizes through following technical scheme:
Chromium-zirconium far-infrared radiation material is characterized in that, its component comprises Cr
2O
3, ZrO
2, also comprise in chromite, ilmenite, magnesite and the zircon sand one or more.
Preferably, its component also comprises Al
2O
3, SiO
2, SiC, MgO, FeO, MnO, TiO
2, CoO, Ni
2O
3, CeO
2, Y
2O
3In one or more and Cr
2O
3And ZrO
2Together as industrial chemicals.
Preferably, one or more in described chromite, ilmenite, magnesite and the zircon sand are as the mineral material, and the weight content of mineral material in chromium-zirconium far-infrared radiation material is 75%～89.9%.
Preferably, the whisker or the high-purity high alumina ceramic fiber that also comprise weight content 0～10%.Said whisker is one or more in aluminium sesquioxide whisker, silicon carbide whisker, norbide whisker, aluminium nitride whisker, the silicon nitride crystal whisker.
Their HS, high-modulus, high heat resistance and low density add crystal whisker materials or high-purity high alumina ceramic fiber, owing to can be used as strongthener; Changed the texture of infrared radiant material; Make between each component to combine closelyr, thermotolerance is better, the intensity when using as coating is higher, the cold-and-heat resistent acute degeneration, with the anti-material of furnace lining combine matched performance better; Such as can mortise, can strengthen performances such as anti-furnace gas scouring capability with half lightweight, lightweight and the fine type furnace lining of pottery.
Preferably, described Cr
2O
3, ZrO
2Weight ratio is 1～2: 1～2.
Preferably, the weight content of described mineral material in chromium-zirconium far-infrared radiation material is 80%～85%.
Preferably, said Al
2O
3And SiO
2Be nano level, particle size range 50-200nm its objective is in order to reduce the calcining temperature of material of the present invention when the synthesize ceramic.
Preferably, the weight content of said industrial chemicals in chromium-zirconium far-infrared radiation material is 10.1%～25%.
Preferably,, described industrial chemicals weight percentage is 15%～20%.
Preferably, said industrial chemicals component comprises Cr by weight
2O
320-40; ZrO
220-40; MnO 1-5; MgO 1-25; FeO 1-10; Al
2O
310-20; SiO
25-10; TiO
215-20; SiC1-10; CoO 1-5; Ni
2O
31-5; CeO
21-5; Y
2O
31-5.
Another object of the present invention provides the preparation method of chromium-zirconium far-infrared radiation material, it is characterized in that, one or more in described chromite, ilmenite, magnesite and the zircon sand are pulverized after 1200 ℃～1700 ℃ calcinings earlier as the mineral material; Again with other raw materials mix, again through 1200 ℃～1700 ℃ calcinings.
Preferably, the chromium-zirconium far-infrared radiation material after the final calcining is pulverized, by 10 orders-20 order, and 20 orders-40 order; 40 orders-80 order, 80 orders-120 order, 120 orders-250 order, 250 orders-300 order; After＞300 mesh sieves divide gradation, carry out weight proportion according to particle diameter, performance is better.
Preferably, various particle diameter parts by weight are: 10 orders-20 order, 3-15 weight part; 20 orders-40 order, the 5-15 weight part; 40 orders-80 order, the 8-25 weight part; 80 orders-120 order, the 10-30 weight part; 120 orders-250 order, the 15-45 weight part; 250 orders-300 order, the 10-25 weight part;＞300 orders, the 5-20 weight part.
Through method for preparing, promptly use silicate chemistry and engineering treatment process after, each raw material can form the chromium zircon ceramic of spinel families such as a kind of aluminum-spinel, ferronickel spinel; Be characterized in having very stable high-temperature physics chemical property and extra high high temperature heat radiation rate.
The 3rd purpose of the present invention provides the application of chromium-zirconium far-infrared radiation material in preparation coating, uses the chromium-zirconium far-infrared radiation material among the present invention to have energy-saving effect as the coating that one of component prepares.
Chromium-zirconium far-infrared radiation material among the present invention:
1. raw material sources are wide, safety and stability.
2. the normal direction radiant ratio is high, ε
n(400 ℃) are 0.87-0.93, are difficult for decay, can reach work-ing life more than 3 years, and work-ing life is long especially.
3. use temperature is high, can process the high temperature high radiant rate energy-saving coatings that stove is used, and refractoriness >=1790 ℃ can be at 1600 ℃ of following life-time service.
As previously mentioned, at present, commercially available infrared radiation coating is processed after simple mechanically mixing by industrial chemicals and base-materials such as phosphoric acid salt, silicate such as multiple MOXs, is a kind of miscellany.This prescription and preparation technology have determined that its radiant ratio is low, be prone to aging, chemically reactive is big, use temperature is low and are easy with the anti-material generation low melting point eutectic of furnace lining and the anti-material of furnace lining is caused shortcoming and defect such as erosion; And material of the present invention is through the preparation technology of foregoing employing potteryization; Synthesized a kind of chromium zircon ceramic that contains spinel family, made it have very stable high temperature physical and chemical performance, thus; To the anti-material of the furnace lining fine type of furnace lining of particularly making pottery; When high temperature, physical reaction does not take place, promptly have the height inertia.Can process especially various ceramic fiber class furnace linings are had high inertia, can protect the material of such fine furnace lining of making pottery, high temperature resistance airflow scouring and erosion; Prolong its work-ing life, can improve such furnace lining material use temperature more than 100 ℃.See the difference of following table chromium-zirconium far-infrared radiation coating and domestic other marketed coating for details.
5. the chromium-zirconium far-infrared radiation material among the present invention can be used as the base mateiral of far-infrared heating, processes far ultrared paint with it, and burns till various Infrared Heating devices such as lamp type, template, tubulose after can adding an amount of potter's clay.
Embodiment
Below in conjunction with embodiment the present invention is carried out detailed description:
Table 5 and table 6 are the each component weight percentages among the embodiment of the invention 1-25.
Table 5:
Table 6:
Table 7 and table 8 are among the embodiment 1-25, the each component parts by weight of industrial chemicals:
Table 7:
Table 8:
In the foregoing description, its working method is: described ilmenite, chromite, magnesite, zircon sand etc. need levigate after 1200 ℃～1700 ℃ high-temperature calcinations.Behind raw mineral materials after the above-mentioned calcining and the industrial chemicals thorough mixing, through 1200 ℃～1700 ℃ high-temperature calcinations, it can generate the chromium zircon ceramic of spinel families such as a kind of aluminum-spinel, ferronickel spinel the calcining back.
Chromium-zirconium far-infrared radiation material after the final calcining can use after crushed.
In the following table, be among the embodiment 1-25, the calcining temperature of mineral material; The mixed calcining temperature of mineral material and industrial chemicals.
Preferably, the chromium-zirconium far-infrared radiation material after the final calcining is pulverized, by 10 orders-20 order, and 20 orders-40 order; 40 orders-80 order, 80 orders-120 order, 120 orders-250 order, 250 orders-300 order; After＞300 mesh sieves divide gradation, carry out weight proportion according to particle diameter, performance is better.
Preferably, various particle diameter parts by weight are: 10 orders-20 order, 3-15 weight part; 20 orders-40 order, the 5-15 weight part; 40 orders-80 order, the 8-25 weight part; 80 orders-120 order, the 10-30 weight part; 120 orders-250 order, the 15-45 weight part; 250 orders-300 order, the 10-25 weight part;＞300 orders, the 5-20 weight part.
Be the raw material weight umber of various particle diameters among the embodiment 1-25 in the following table:
Following table is the chromium-zirconium far-infrared radiation material performance test data among the embodiment 1-6:
Chromium-zirconium far-infrared radiation material provided by the invention is a chromium zirconium matter mineralising black ceramic; Remove and can directly use as coating, technologies such as also available gypsum casting, hot-forming and ramming process are processed the ir radiation body material of lamp shape, tubulose, different shape such as tabular.
Embodiment among the present invention only is used for that the present invention will be described, does not constitute the restriction to the claim scope, and other substituting of being equal in fact that those skilled in that art can expect are all in protection domain of the present invention.
Claims (7)
1. the fine furnace lining of making pottery is used chromium-zirconium far-infrared radiation material, it is characterized in that, its component comprises Cr
2O
3, ZrO
2, also comprise in chromite, ilmenite, magnesite and the zircon sand one or more; In described chromite, ilmenite, magnesite and the zircon sand one or more are as the mineral material, and the weight content of mineral material in chromium-zirconium far-infrared radiation material is 75%～89.9%; Its component also comprises Al
2O
3, SiO
2, SiC, MgO, FeO, MnO, TiO
2, CoO, Ni
2O
3, CeO
2, Y
2O
3In one or more and Cr
2O
3And ZrO
2Together as industrial chemicals; The weight content of said industrial chemicals in chromium-zirconium far-infrared radiation material is 10.1%～25%; Its preparation method is: one or more in described chromite, ilmenite, magnesite and the zircon sand are pulverized after 1200 ℃～1700 ℃ calcinings earlier as the mineral material; Again with other raw materials mix, again through 1200 ℃～1700 ℃ calcinings.
2. the fine furnace lining of pottery according to claim 1 is used chromium-zirconium far-infrared radiation material, it is characterized in that described Cr
2O
3, ZrO
2Weight ratio is 1～2: 1～2.
3. the fine furnace lining of pottery according to claim 1 is used chromium-zirconium far-infrared radiation material, it is characterized in that its component also comprises the whisker of weight content 0～10%.
4. the fine furnace lining of pottery according to claim 1 is used chromium-zirconium far-infrared radiation material, it is characterized in that said Al
2O
3And SiO
2Be nano-scale particle.
5. the fine furnace lining of pottery according to claim 1 is used chromium-zirconium far-infrared radiation material, it is characterized in that, said industrial chemicals component comprises Cr by weight
2O
320-40; ZrO
220-40; MnO 1-5; MgO 1-25; FeO 1-10; Al
2O
310-20; SiO
25-10; TiO
215-20; SiC 1-10; CoO 1-5; Ni
2O
31-5; CeO
21-5; Y
2O
31-5.
6. the fine furnace lining of the described pottery of the arbitrary claim of claim 1-5 is with the preparation method of chromium-zirconium far-infrared radiation material; It is characterized in that; In described chromite, ilmenite, magnesite and the zircon sand one or more are pulverized after 1200 ℃～1700 ℃ calcinings earlier as the mineral material; Again with other raw materials mix, again through 1200 ℃～1700 ℃ calcinings.
7. the fine furnace lining of the described pottery of the arbitrary claim of claim 1-5 is with the application of chromium-zirconium far-infrared radiation material in the preparation energy-saving coatings.
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| CN200910051525A CN101591165B (en) | 2009-05-19 | 2009-05-19 | Chromium-zirconium far-infrared radiation material and preparation method and application thereof |
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|---|---|---|---|
| CN200910051525A CN101591165B (en) | 2009-05-19 | 2009-05-19 | Chromium-zirconium far-infrared radiation material and preparation method and application thereof |
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| CN101591165B true CN101591165B (en) | 2012-09-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102417356B (en) * | 2010-09-27 | 2013-03-20 | 中国科学院理化技术研究所 | Nanometer silicon carbide-series infrared radiation coating and preparation method thereof |
| CN101979361A (en) * | 2010-09-28 | 2011-02-23 | 广州市嘉域钟表有限公司 | High-tech health-care titanium ceramic material |
| 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 |
| CN102786300B (en) * | 2012-08-15 | 2014-09-17 | 武汉瑞干科技开发有限公司 | Radiant heat reinforced absorbent and preparation method thereof |
| CN102898917B (en) * | 2012-10-29 | 2015-02-18 | 苏州市建筑科学研究院有限公司 | Reflection and heat insulation paint for buildings |
| TWI530248B (en) * | 2013-07-04 | 2016-04-11 | 聚鼎科技股份有限公司 | Heat radiating material |
| CN103589201B (en) * | 2013-11-20 | 2015-09-30 | 北京恩吉赛威节能科技有限公司 | High emissivity infrared energy-conserving radiation paint and preparation method thereof |
| CN103951442B (en) * | 2014-04-10 | 2015-10-28 | 卢鹏伟 | Furnace retaining infra-red china furnace charge and preparation method thereof |
| CN104031439B (en) * | 2014-06-30 | 2016-05-18 | 北斗启明（北京）节能科技服务有限公司 | High-temperature resistant nano black matrix coating and preparation technology thereof |
| CN109705628A (en) * | 2019-01-04 | 2019-05-03 | 电子科技大学 | A kind of building energy conservation pigment and preparation method thereof |
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Patent Citations (2)
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|---|---|---|---|---|
| CN1046517A (en) * | 1990-03-24 | 1990-10-31 | 广州师范学院 | Refractory, energy saving and corrosion-resisting ceramics coating |
| CN1205352A (en) * | 1998-07-14 | 1999-01-20 | 钱家荣 | Multicrystal thermally-stimulated radiation paint and its application method |
Non-Patent Citations (3)
| Title |
|---|
| JP平2-6369A 1990.01.10 |
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