CN101259517B - Double-roller rolling strip steel machine side seal board surface recombination coating and its preparation method and spraying coating method - Google Patents

Double-roller rolling strip steel machine side seal board surface recombination coating and its preparation method and spraying coating method Download PDF

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Publication number
CN101259517B
CN101259517B CN2008100236466A CN200810023646A CN101259517B CN 101259517 B CN101259517 B CN 101259517B CN 2008100236466 A CN2008100236466 A CN 2008100236466A CN 200810023646 A CN200810023646 A CN 200810023646A CN 101259517 B CN101259517 B CN 101259517B
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China
Prior art keywords
side seal
coating
seal board
double
strip steel
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Expired - Fee Related
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CN2008100236466A
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CN101259517A (en
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张玉良
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戚建明
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  • Coating By Spraying Or Casting (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

The invention discloses a surface compound dope of the side sealing plate of a double-roll cast-rolling strip mill. The compound dope consists of the following components: 50 to 70 percent of black lead, 5 to 15 percent of bentonite, 10 to 15 percent of high-alumina fly, 7 to 10 percent of colophony and 8 to 10 percent of alcohol according to mass proportion. The compound dope of the invention resists the high temperature of 1500 to 1700 DEG C, has the high adhesive attraction, is hard to fall off, improves the service life of the side sealing plate, reduces the maintaining cost, ensures the commercial production in batch, increases the economic benefits and has no effects on the components and the quality of strip steel.

Description

Surface recombination coating of the side seal board of double-roller rolling strip steel machine and preparation method thereof and spraying method
Technical field
The present invention relates to the rolling casting technology of metallurgical industry, be specifically related to the surface recombination coating of the side seal board of double-roller rolling strip steel machine.
Background technology
The double-roller rolling technology directly pours into a pair of counterrotating casting roller by molten steel, and molten steel is crystallisation by cooling on the casting roller, draws the strip steel from two roller gaps.Excessive in order to prevent molten steel, at two roller both ends of the surface installation side shroudings, side seal board is made by refractory material, be generally high temperature melting quartz, side seal board directly contacts high-temperature molten steel, cause the side seal board lost of life, often maintain and replace makes double-roller rolling strip steel machine be difficult to carry out mass industrialized production, has reduced production efficiency.
Summary of the invention
The objective of the invention is to: a kind of surface recombination coating of side seal board of double-roller rolling strip steel machine is provided, and this composite coating is sprayed on the side seal board surface, prolongs side seal board service life, keeps mass industrialized production, enhances productivity.
Technical solution of the present invention is that this composite coating is made up of following component mass percent: graphite 50-70%, bentonite 5-15%, high-alumina fly 10-15%, rosin 7-10%, alcohol 8-10%.
Composite coating of the present invention is made by following method: at first, the porcelain container made of graphite, bentonite, high-alumina fly being put into inclination angle 15 degree rotated 60 rev/mins of rotating speeds 4 hours; Secondly, in container, add rosin, alcoholic solution, continue to stir 2 hours; At last, added water in per 15 minutes once to be coated with feed liquid up to making rheology, wherein moisture content is 20-40%.
The spraying method of composite coating of the present invention is: at first, side seal board is heated to 80-120 ℃; Secondly, paint spray gun coating is sprayed onto side seal board one side surface, coating is done the back and is continued the spray second layer, continuously until thick coating 1-2 millimeter; At last, side seal board toasted 45 minutes in the baking oven of 900-1000 degree.
Composite coating of the present invention is high temperature resistant 1500-1700 degree, strong adhesion, difficult drop-off improves side seal board service life, reduces maintenance cost, guarantees mass industrialized production, increases economic benefit, and does not influence band steel constitution and quality.
The specific embodiment
Below, by 3 embodiment, further specify concrete implementation process.Should be understood that these embodiment just in order to demonstrate the invention, but not limit the scope of the invention by any way.
Embodiment 1: technical solution of the present invention is that this composite coating is made up of following component mass percent: graphite 50%, bentonite 15%, high-alumina fly 15%, rosin 10%, alcohol 10%.
Composite coating of the present invention is made by following method: at first, the porcelain container made of graphite, bentonite, high-alumina fly being put into inclination angle 15 degree rotated 60 rev/mins of rotating speeds 4 hours; Secondly, in container, add rosin, alcoholic solution, continue to stir 2 hours; At last, added water in per 15 minutes once to be coated with feed liquid up to making rheology, wherein moisture content is 20%.
The spraying method of composite coating of the present invention is: at first, side seal board is heated to 80 degree; Secondly, paint spray gun coating is sprayed onto side seal board one side surface, coating is done the back and is continued the spray second layer, continuously until 1 millimeter of thick coating; At last, side seal board toasted 45 minutes in the baking oven of 900 degree.
Composite coating of the present invention is high temperature resistant 1500 the degree, strong adhesion, difficult drop-off.
Embodiment 2: technical solution of the present invention is that this composite coating is made up of following component mass percent: graphite 70%, bentonite 5%, high-alumina fly 10%, rosin 7%, alcohol 8%.
Composite coating of the present invention is made by following method: at first, the porcelain container made of graphite, bentonite, high-alumina fly being put into inclination angle 15 degree rotated 60 rev/mins of rotating speeds 4 hours; Secondly, in container, add rosin and alcohol, continue to stir 2 hours; At last, added water in per 15 minutes once to be coated with feed liquid up to making rheology, wherein moisture content is 40%.
The spraying method of composite coating of the present invention is: at first, side seal board is heated to 120 degree; Secondly, paint spray gun coating is sprayed onto side seal board one side surface, coating is done the back and is continued the spray second layer, continuously until 2 millimeters of thick coatings; At last, side seal board toasted 45 minutes in the baking oven of 1000 degree.
Composite coating of the present invention is high temperature resistant 1700 the degree, strong adhesion, difficult drop-off.

Claims (3)

1. the surface recombination coating of the side seal board of a double-roller rolling strip steel machine is characterized in that being made up of following component mass percent: graphite 50-70%, bentonite 5-15%, high-alumina fly 10-15%, rosin 7-10%, alcohol 8-10%.
2. the preparation method of the side seal board surface recombination coating of the described a kind of double-roller rolling strip steel machine of claim 1 is characterized in that: at first, graphite, bentonite, high-alumina fly are put into the porcelain container made of spending at inclination angle 15 rotated 60 rev/mins of rotating speeds 4 hours; Secondly, in container, add rosin and alcohol, continue to stir 2 hours; At last, added water in per 15 minutes once to be coated with feed liquid up to making rheology, wherein moisture content is 20~40%.
3. the spraying method of the side seal board surface recombination coating of the described a kind of double-roller rolling strip steel machine of claim 1 is characterized in that: at first, side seal board is heated to the 80-120 degree; Secondly, paint spray gun coating is sprayed onto side seal board one side surface, coating is done the back and is continued the spray second layer, continuously until thick coating 1-2 millimeter; At last, side seal board toasted 45 minutes in the baking oven of 900-1000 degree.
CN2008100236466A 2008-04-14 2008-04-14 Double-roller rolling strip steel machine side seal board surface recombination coating and its preparation method and spraying coating method Expired - Fee Related CN101259517B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008100236466A CN101259517B (en) 2008-04-14 2008-04-14 Double-roller rolling strip steel machine side seal board surface recombination coating and its preparation method and spraying coating method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008100236466A CN101259517B (en) 2008-04-14 2008-04-14 Double-roller rolling strip steel machine side seal board surface recombination coating and its preparation method and spraying coating method

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CN101259517A CN101259517A (en) 2008-09-10
CN101259517B true CN101259517B (en) 2010-06-09

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102672098B (en) * 2012-06-04 2013-09-25 杭州来氏铸造科技有限公司 Evanescent mould coating and preparation method thereof
CN108907093B (en) * 2018-07-25 2020-09-01 四川省川建管道有限公司 Manufacturing process for lost foam casting nodular cast iron pipe fitting combining thermal spraying

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87101565A (en) * 1987-06-04 1988-12-21 本溪钢铁公司 Metal mold coating for centrifugal casting
CN1060301A (en) * 1991-09-24 1992-04-15 邢台钢铁厂 Metal-type thermal insulating paint of cast iron
CN1082466A (en) * 1993-02-15 1994-02-23 大连冷冻机厂 Resin sand mould (core) or cast part type (core) is used water based paint
CN1196282A (en) * 1997-04-11 1998-10-21 周清运 Coating for dispellable mould casting
CN101088660A (en) * 2007-07-13 2007-12-19 沈阳铸造研究所 Light-color cast iron paint with high aluminium polycrystalline composite aggreagte

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87101565A (en) * 1987-06-04 1988-12-21 本溪钢铁公司 Metal mold coating for centrifugal casting
CN1060301A (en) * 1991-09-24 1992-04-15 邢台钢铁厂 Metal-type thermal insulating paint of cast iron
CN1082466A (en) * 1993-02-15 1994-02-23 大连冷冻机厂 Resin sand mould (core) or cast part type (core) is used water based paint
CN1196282A (en) * 1997-04-11 1998-10-21 周清运 Coating for dispellable mould casting
CN101088660A (en) * 2007-07-13 2007-12-19 沈阳铸造研究所 Light-color cast iron paint with high aluminium polycrystalline composite aggreagte

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
卓荣明.粘土砂湿型用醇基涂料及其应用.热加工工艺35 9.2006,35(9),44-45.
卓荣明.粘土砂湿型用醇基涂料及其应用.热加工工艺35 9.2006,35(9),44-45. *
李希杰等.液压件铸造用涂料的研制.天津理工学院学报 2.1990,(2),47-51.
李希杰等.液压件铸造用涂料的研制.天津理工学院学报 2.1990,(2),47-51. *

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