CN1050890A - Fire-resistant oxidation resistant coating - Google Patents
Fire-resistant oxidation resistant coating Download PDFInfo
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- CN1050890A CN1050890A CN 89107740 CN89107740A CN1050890A CN 1050890 A CN1050890 A CN 1050890A CN 89107740 CN89107740 CN 89107740 CN 89107740 A CN89107740 A CN 89107740A CN 1050890 A CN1050890 A CN 1050890A
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- fire
- resistant
- coating
- glass powder
- resistant coating
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Abstract
The invention belongs to this field of inorganic non-metallic coating.Be used for the fire-resistant oxidation resistant coating poor air-tightness of Graphite Electrodes before the invention solves, easily come off or problem that cost is high.Principal character is with glass powder cheaply, contains compositions such as boron substance, metal oxide.This coating can be used for the Graphite Electrodes of field uses such as founding of Electric furnace steel making, refractory materials, and other at high temperature need the field of anti-oxidation protection layer.
Description
The invention belongs to this field of inorganic non-metallic coating.
The Graphite Electrodes that uses in fields such as Electric furnace steel making and fusion-cast refractory, in high temperature oxidation atmosphere, loss is very big.This Graphite Electrodes cost is very high, and consumption is big, and at home and abroad supply is all at full stretch.In use, be not only the discharge end temperature height of electrode, oxidational losses is serious, and near discharge end in the suitable segment distance, oxidational losses is all very big.Even more serious is that because anodizing attenuates, strength reduction ruptures easily, causes bigger loss.Therefore, adopt the method that applies fire-resistant oxidation resistant coating, extensively paid attention to by various countries.Usually fire-resistant oxidation resistant coating all is made up of high temperature material, sees Japanese Patent (JP59-184781).And russian patent (Su1158556), but because poor air-tightness, it is not remarkable the reason effect such as easily to peel off.The coating that adopts high temperature material and low melting point to mix is also arranged, see Europe patent (EP0070100), but cost is very high, is not suitable for large-scale application.China also has and adopts pyroceramic and refractory materials, sees Chinese patent, and (application number 881011899) but cost are also than higher.
The objective of the invention is according to Graphite Electrodes in use, the characteristics that reach a high temperature are very soon easily peeled off the novel fire resistant antioxidant coating of developing with shortcomings such as cost height for overcoming.
Content of the present invention is a kind of fire-resistant oxidation resistant coating.
This coating is by glass powder, and metal oxide contains boron substance and becomes to be grouped into organic binder bond etc.The composition range of this coating is:
Glass powder 15～95%(weight) metal oxide 1～80%(weight)
Contain boron substance 2～50%(weight) organic binder bond 5～60%(weight)
This coating can form different vitreous states or solid-state protective membrane in the different temperature stages, has prevented to come off and oxidation.Greater than 1000 ℃ the time, contain boron substance and glass powder and form the bigger vitreous state of viscosity, be difficult for flowing, but can cover electrode surface equably.When temperature reached 1800～2000 ℃, a part of silicon and carbon reaction generated resistant to elevated temperatures α-SiC, simultaneously, had part silicon and reactive metal oxide to generate high temperature material again.Because SiC is that reaction generates with matrix, so incrust, antioxidant effect is good.If be coated on other matrix, owing in the organic binder bond, contain carbon, same, can play a protective role.
Application example:
1 glass powder of filling a prescription: 53%(weight) Al
2O
3: 3%(weight)
B
4C:6.3%(weight) organic binder bond: 37.7%(weight)
After stirring, spraying.Can save 40%～50% at laboratory experiment graphite, experiment graphite can save 30～40% to the steel melting furnace.
2 glass powder of filling a prescription: 53%(weight) Al
2O
3: 5%(weight)
Boric acid: 10%(weight) organic binder bond: 32%(weight)
Using method is the same.At laboratory experiment, Graphite Electrodes can save 40%, and experiment graphite can save 20～30% to the steel melting furnace.
Claims (4)
1, a kind of fire-resistant oxidation resistant coating that becomes to be grouped into by glass powder, metal oxide and organic binder bond etc.The invention is characterized in and contain silicon-dioxide and contain boron substance that its composition is (weight percent).
Glass powder 15～95% metal oxides 1～80%
Contain boron substance 2～50% organic binder bonds 5～60%
2, according to the fire-resistant oxidation resistant coating of claim 1, the major ingredient that it is characterized in that glass powder is a silicon-dioxide.
3,, it is characterized in that metal oxide is the oxide compound that the metal in third and fourth and the subgroup is formed according to the fire-resistant oxidation resistant coating of claim 1.
4,, it is characterized in that organic binder bond is by resin in the soluble in water or organic solvent and constitute according to the fire-resistant oxidation resistant coating of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89107740 CN1050890A (en) | 1989-10-12 | 1989-10-12 | Fire-resistant oxidation resistant coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89107740 CN1050890A (en) | 1989-10-12 | 1989-10-12 | Fire-resistant oxidation resistant coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1050890A true CN1050890A (en) | 1991-04-24 |
Family
ID=4857322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89107740 Pending CN1050890A (en) | 1989-10-12 | 1989-10-12 | Fire-resistant oxidation resistant coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1050890A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059457C (en) * | 1995-08-02 | 2000-12-13 | 石秀田 | Technology for preparation of oxidation-preventive dip of graphite electrode |
| CN1059689C (en) * | 1998-04-13 | 2000-12-20 | 冶金工业部钢铁研究总院 | High-temperature paint |
| CN1084360C (en) * | 1997-09-02 | 2002-05-08 | 王卫中 | Glass hot sprayed film material and manufacture thereof |
| CN1109722C (en) * | 1999-12-23 | 2003-05-28 | 重庆钢铁(集团)有限责任公司 | High-temp antioxidizing paint |
| CN1315957C (en) * | 2003-06-02 | 2007-05-16 | 叶志龙 | High temp, resistant lead-free and cadmium-free printing ink for glass |
| CN1317343C (en) * | 2005-03-25 | 2007-05-23 | 武汉钢铁(集团)公司 | Anti-oxidation paint of fireproof carbon-containing materials |
| CN102056864A (en) * | 2008-06-06 | 2011-05-11 | 斯奈克玛动力部件公司 | Process for producing a self-healing layer on a part made of a C/C composite |
| CN102277474A (en) * | 2011-08-08 | 2011-12-14 | 河南三兴热能技术有限公司 | Heat treatment metal workpiece surface antioxidation coating |
| CN107815166A (en) * | 2017-09-22 | 2018-03-20 | 镇江市太浪新材料科技有限公司 | A kind of coating special antioxidant |
| CN107841170A (en) * | 2017-11-08 | 2018-03-27 | 广西融辰建设工程有限公司 | A kind of inorganic coating composition and preparation method thereof |
-
1989
- 1989-10-12 CN CN 89107740 patent/CN1050890A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059457C (en) * | 1995-08-02 | 2000-12-13 | 石秀田 | Technology for preparation of oxidation-preventive dip of graphite electrode |
| CN1084360C (en) * | 1997-09-02 | 2002-05-08 | 王卫中 | Glass hot sprayed film material and manufacture thereof |
| CN1059689C (en) * | 1998-04-13 | 2000-12-20 | 冶金工业部钢铁研究总院 | High-temperature paint |
| CN1109722C (en) * | 1999-12-23 | 2003-05-28 | 重庆钢铁(集团)有限责任公司 | High-temp antioxidizing paint |
| CN1315957C (en) * | 2003-06-02 | 2007-05-16 | 叶志龙 | High temp, resistant lead-free and cadmium-free printing ink for glass |
| CN1317343C (en) * | 2005-03-25 | 2007-05-23 | 武汉钢铁(集团)公司 | Anti-oxidation paint of fireproof carbon-containing materials |
| CN102056864A (en) * | 2008-06-06 | 2011-05-11 | 斯奈克玛动力部件公司 | Process for producing a self-healing layer on a part made of a C/C composite |
| CN102056864B (en) * | 2008-06-06 | 2014-01-22 | 斯奈克玛动力部件公司 | Process for producing a self-healing layer on a part made of a C/C composite |
| CN102277474A (en) * | 2011-08-08 | 2011-12-14 | 河南三兴热能技术有限公司 | Heat treatment metal workpiece surface antioxidation coating |
| CN107815166A (en) * | 2017-09-22 | 2018-03-20 | 镇江市太浪新材料科技有限公司 | A kind of coating special antioxidant |
| CN107841170A (en) * | 2017-11-08 | 2018-03-27 | 广西融辰建设工程有限公司 | A kind of inorganic coating composition and preparation method thereof |
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| SE01 | Entry into force of request for substantive examination | ||
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |