CN1109722C - High-temp antioxidizing paint - Google Patents
High-temp antioxidizing paint Download PDFInfo
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- CN1109722C CN1109722C CN99117480A CN99117480A CN1109722C CN 1109722 C CN1109722 C CN 1109722C CN 99117480 A CN99117480 A CN 99117480A CN 99117480 A CN99117480 A CN 99117480A CN 1109722 C CN1109722 C CN 1109722C
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Abstract
The present invention discloses high temperature antioxidizing paint and a preparation method thereof. The present invention is characterized in that the antioxidizing paint is prepared from 50 to 62 portions by weight of SiO2, 12 to 20 portions by weight of Al2O3, 2 to 8 portions be weight of Fe2O3, 1 to 5 portions by weight of MgO, 2 to 7 portions by weight of CaO, 2 to 6 portions by weight of Na2O, 2 to 6 portions by weight of K2O and 1 to 5 portions by weight of FeO. Raw materials are fetched accordingly to the components of the paint, the fetched raw materials are put in a kiln and smelted at 800 to 1300DEGC for 3 hours into glaze, and the glaze is pulverized after cooling; a small amount of spinel, clay soil and water are added, and the granularity of the mixture is smaller than 180 meshes by ballmilling. The paint of the present invention has the advantages of fine granularity, suspension state, difficult precipitation, no need of vertical roll and side pressure devices, easy use and low cost, and the paint can be used at 900 to 1200DEGC.
Description
The invention belongs to paint field, particularly a kind of antioxidant coating and preparation method who is used for the heat-processed metallic substance.
Metallic substance high-temperature oxidation resistant coating commonly used at present has two kinds.A kind of is to be used for below 900 ℃, and the price height; Another kind is the coating that is used for the steel billet high-temp antioxidizing.This coating is to apply in its surface before the steel billet heating rolling, the resistates that elder generation removed billet surface with the edger roll side pressure after steel billet added is rolled again, therefore need edger roll side pressure equipment, and coating needs to be dissolved in water before coating, particle is thick after adding water dissolution, easily produce precipitation, on workpiece, be difficult for coating evenly.
The purpose of this invention is to provide a kind of high temperature anti-oxidation coating and preparation method.Its coating particles is tiny, is suspension, is difficult for producing precipitation, does not need edger roll side pressure equipment, uses simply, can use in the time of 900-1200 ℃, and cost is low.
For reaching above-mentioned purpose, the invention provides a kind of high-temp antioxidizing paint, it is characterized in that consist of (following is the weight meter) of antioxidizing paint
(1). raw material 1:SiO
2: 50～62 parts; Al
2O
3: 12～20 parts; Fe
2O
3: 2～8 parts; MgO:1～5 part; CaO:; 2～7 parts; Na
2O:2～6 part; K
2O:2～6 part; FeO:1～5 part;
(2). raw material 2: clay is 5～10% of composition 1 a described total amount, a spot of water and spinel.
Get raw material by above-mentioned coating composition, go into kiln and found under 800～1300 ℃ and be molten glass mixture (enamel) in 3 hours, pulverize the cooling back, adds the clay of described coating raw material 1 total amount 5～10%, a spot of water and spinel, ball milling makes its granularity be＜180 orders.
SiO in the mentioned component of the present invention
2Form the main oxides of glassy phase for the silicate enamel; Al
2O
3Be intermediate oxide, can improve coating softening temperature and viscosity, reduce thermal expansivity, chemical heat stability is high, improves the thermotolerance of coating, reduce chemically reactive and corrodibility, MgO increases the temperature of fusion of enamel, can adjust coating viscosity at high temperature, makes the steel surface be inertia, can peel off voluntarily after the cooling simultaneously, therefore at high temperature resistance of oxidation is strong.Spinel is the infusibility additive, and viscosity under the control coating high temperature is arranged, and makes the steel surface be the inert effect.Na
2O and K
2O is a fusing assistant, can impel other raw materials melt, and can improve the linear expansivity of coating, and it is come off after cooling voluntarily.The chemical bond of clay is a reticulated structure, and as suspension medium, so this coating is when being dissolved in water when coating dissolves, and particle is tiny, does not produce precipitation.
The present invention is described further below by embodiment, but the present invention is not limited only to these examples.
Embodiment 1
Get raw material by following preparation:
SiO
2: 58 parts; Al
2O
3: 14 parts; Fe
2O
3: 5 parts; MgO:2 part; CaO:7 part; Na
2O:3 part; K
2O:5 part; FeO:1 part.
Put getting raw material into kiln and found, slowly be warmed up to 1300 ℃ from 800 ℃, its process control made raw material be enamel at 3 hours.Be cooled to room temperature then, pulverize, add the clay of raw material total amount 5%, add a small amount of spinel and water again, ball milling to granularity＜180 orders promptly get the coating of high-temp antioxidizing.
Embodiment 2
Get raw material by following preparation:
SiO
2: 56 parts; Al
2O
3: 15 parts; Fe
2O
3: 8 parts; MgO:3 part; CaO:4 part; Na
2O:3 part; K
2O:4 part; FeO:3 part.
Put getting raw material into kiln and found, slowly be warmed up to 1300 ℃ from 800 ℃, its process control made raw material be enamel at 3 hours.Be cooled to room temperature then, pulverize, add the clay of raw material total amount 7%, add a small amount of spinel and water again, ball milling to granularity＜180 orders promptly get the coating of high-temp antioxidizing.
Embodiment 3
Get raw material by following preparation:
SiO
2: 51 parts; Al
2O
3: 18 parts; Fe
2O
3: 3 parts; MgO:4 part; CaO:3 part; Na
2O:2 part; K
2O:5 part; FeO:1.5 part.
Put getting raw material into kiln and found, slowly be warmed up to 1300 ℃ from 800 ℃, its process control made raw material be enamel at 3 hours.Be cooled to room temperature then, pulverize, add the clay of raw material total amount 9%, add a small amount of spinel and water again, ball milling to granularity＜180 orders promptly get the coating of high-temp antioxidizing.
Embodiment 4
Get raw material by following preparation:
SiO
2: 61 parts; Al
2O
3: 12 parts; Fe
2O
3: 2 parts; MgO:4.5 part; CaO:2 part; Na
2O:4 part; K
2O:2 part; FeO:4 part.
Put getting raw material into kiln and found, slowly be warmed up to 1300 ℃ from 800 ℃, its process control made raw material be enamel at 3 hours.Be cooled to room temperature then, pulverize, add the clay of raw material total amount 10%, add a small amount of spinel and water again, ball milling to granularity＜180 orders promptly get the coating of high-temp antioxidizing.
Claims (2)
1. high-temp antioxidizing paint is characterized in that the consisting of of antioxidizing paint (following be weight meter)
(1). raw material 1:SiO
2: 50～62 parts; Al
2O
3: 12～20 parts; Fe
2O
3: 2～8 parts; MgO:1～5 part; CaO:; 2～7 parts; Na
2O:2～6 part; K
2O:2～6 part; FeO:1～5 part;
(2). raw material 2: clay is 5～10% of raw material 1 a described total amount, a spot of water and spinel.
2. the preparation method of a coating as claimed in claim 1 is characterized in that getting raw material SiO by the described coating composition of claim 1
2: 50～62 parts; Al
2O
3: 12～20 parts; Fe
2O
3: 2～8 parts; MgO:1～5 part; CaO:; 2～7 parts; Na
2O:2～6 part; K
2O:2～6 part; FeO:1～5 part; Clay is 5～10% of raw material 1 a described total amount, a spot of water and spinel, going into kiln founds under 800～1300 ℃ and was molten glass mixture (enamel) in 3 hours, pulverize the cooling back, the clay, water and a small amount of spinel that add described coating composition total amount 5～10%, ball milling makes its granularity be＜180 orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99117480A CN1109722C (en) | 1999-12-23 | 1999-12-23 | High-temp antioxidizing paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99117480A CN1109722C (en) | 1999-12-23 | 1999-12-23 | High-temp antioxidizing paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1300805A CN1300805A (en) | 2001-06-27 |
| CN1109722C true CN1109722C (en) | 2003-05-28 |
Family
ID=5280102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99117480A Expired - Fee Related CN1109722C (en) | 1999-12-23 | 1999-12-23 | High-temp antioxidizing paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1109722C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100532466C (en) * | 2006-04-21 | 2009-08-26 | 中国科学院过程工程研究所 | High temperature common mild steel anti-oxidation coating and application thereof |
| CN101426938B (en) | 2007-01-31 | 2010-06-02 | 中国科学院过程工程研究所 | An anti-oxidation coating for steel and method of protecting steel from oxidation |
| CN101462859B (en) * | 2009-01-16 | 2011-09-21 | 中国科学院过程工程研究所 | High-temperature antioxidizing paint for lowering oxidation burning of steel in heating furnace |
| CN101857735B (en) * | 2009-04-07 | 2012-12-12 | 台光电子材料股份有限公司 | Silicon dioxide eutectic filling material and preparation method of laminate |
| WO2011101158A1 (en) * | 2010-02-19 | 2011-08-25 | Tata Steel Nederland Technology Bv | Strip, sheet or blank suitable for hot forming and process for the production thereof |
| CN103014271B (en) * | 2012-12-10 | 2014-05-21 | 武汉钢铁(集团)公司 | Coating for preventing bearing steel casting blank from being bonded |
| CN104946868A (en) * | 2015-05-28 | 2015-09-30 | 宁国市开源电力耐磨材料有限公司 | High temperature anti-oxidation coating material for cast heat treatment, and preparation method thereof |
| CN106634202A (en) * | 2016-12-20 | 2017-05-10 | 中国第汽车股份有限公司 | Pigment for numbering for hot or isothermal quenching heating processing technology |
| CN111117308A (en) * | 2019-12-31 | 2020-05-08 | 河钢股份有限公司承德分公司 | High-temperature-resistant anti-oxidation coating and preparation method and application thereof |
| CN112251109A (en) * | 2020-10-30 | 2021-01-22 | 中国船舶重工集团公司第七二五研究所 | Room-temperature curing type high-temperature-resistant anticorrosive coating and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050890A (en) * | 1989-10-12 | 1991-04-24 | 中国建材研究院高技术陶瓷研究所 | Fire-resistant oxidation resistant coating |
| CN1065080A (en) * | 1992-04-29 | 1992-10-07 | 东南大学 | The high-temperature corrosion-resistant coating of ferrous materials |
| CN1086234A (en) * | 1992-10-28 | 1994-05-04 | 普拉塞尔·S·T·技术有限公司 | The object of powder feed composition, usage and the coating of preparation refractory oxide coating |
-
1999
- 1999-12-23 CN CN99117480A patent/CN1109722C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050890A (en) * | 1989-10-12 | 1991-04-24 | 中国建材研究院高技术陶瓷研究所 | Fire-resistant oxidation resistant coating |
| CN1065080A (en) * | 1992-04-29 | 1992-10-07 | 东南大学 | The high-temperature corrosion-resistant coating of ferrous materials |
| CN1086234A (en) * | 1992-10-28 | 1994-05-04 | 普拉塞尔·S·T·技术有限公司 | The object of powder feed composition, usage and the coating of preparation refractory oxide coating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1300805A (en) | 2001-06-27 |
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| CF01 | Termination of patent right due to non-payment of annual fee |