CN103449824A - Ultra-wear-resistant chromium corundum quick repair material and preparation method thereof - Google Patents
Ultra-wear-resistant chromium corundum quick repair material and preparation method thereof Download PDFInfo
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- CN103449824A CN103449824A CN2012101921809A CN201210192180A CN103449824A CN 103449824 A CN103449824 A CN 103449824A CN 2012101921809 A CN2012101921809 A CN 2012101921809A CN 201210192180 A CN201210192180 A CN 201210192180A CN 103449824 A CN103449824 A CN 103449824A
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- chromium corundum
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- corrosion
- wear
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Abstract
The invention discloses an ultra-wear-resistant anti-corrosion chromium corundum quick repair material with the advantages of convenience in construction, good wear resistance, strong anti-corrosion ability and long service life. The ultra-wear-resistant anti-corrosion chromium corundum quick repair material is prepared from a material A and a material B, wherein the percentage by weight of the material A is 75-80%, and the percentage by weight of the material B is 25-20%; the material A comprises chromium corundum, zircon sand, andalusite, aluminum oxide micro-powder, silicon micro-powder, pure calcium aluminate cement, sodium tripolyphosphate, solid aluminum phosphate, silicon carbide and yttrium oxide; and the material B comprises a phosphoric acid solution and aluminum hydroxide. The ultra-wear-resistant anti-corrosion chromium corundum quick repair material disclosed by the invention has the advantages of short project overhaul time, convenience in construction, good wear resistance, strong anti-corrosion ability and long service life.
Description
Technical field
The present invention relates to a kind of refractory materials, specifically, relate to a kind of for the boiler hearth of circulating fluidized bed emulsion zone, the super Wear-resistant corrosion-resistant chromium corundum rapid repair material for repairing at the large or position that comes off of the wearing and tearing such as cyclonic separator.
Background technology
Circular fluid bed is in operation because burning of coal produces a large amount of sulphur, sulphur in 850 about degree just in time in the reaction active period, at high temperature refractory materials in Boiler Furnace and metallic substance are had to strong corrosion reaction, and coal dust, the wearing and tearing of the solid rigid powders such as slag to refractory materials, under corrosion and these two effects of high temperature wear, particularly the wearing and tearing of burner hearth emulsion zone and cyclone cylinder line circle of contact position are large or come off (actual is to corrode to have changed refractory materials phase body structure), refractory materials is generally commonly used high strength refractory material and is solved the furnace lining wear problem at present, and to remove former boiler lining when maintenance comprehensively, bring like this construction period long, and fragile boiler tube, increase maintenance cost.The coating used at present is on December 8th, 2008 for the applying date, the high temperature abrasion material that application number is 200810243011.7, first material and second material, consist of at 70～85: 30～15 by weight ratio, the first material is mixed with by zircon corundum, corundum fine powder, No. three, river kyanite, yttrium base stabilised zirconia, silicon powder, alumina powder, pure calcium aluminate cement, tripoly phosphate sodium STPP, electric smelting yellow ultramarine; The second material is mixed with by phosphoric acid, printing ink level aluminium hydroxide, ultrafine zirconia powder, yttrium base stabilised zirconia, electric smelting yellow ultramarine.
Summary of the invention
The objective of the invention is to disclose a kind of convenient construction, wear resistance is good, resistance to corrosion is strong, the super Wear-resistant corrosion-resistant chromium corundum rapid repair material of long service life.
For reaching above-mentioned purpose, technical scheme of the present invention is as follows:
A kind of super Wear-resistant corrosion-resistant chromium corundum rapid repair material, is characterized in that this super Wear-resistant corrosion-resistant chromium corundum rapid repair material is formulated by first material and second material, and the weight percent of first material and second material is respectively 75 ~ 80% and 25 ~ 20%;
The weight percent of each component of first material is:
Chromium corundum particle diameter 3 ~ 1mm 15% ~ 25%,
Chromium corundum particle diameter 1 ~ 0mm 15% ~ 30%,
Chromium corundum particle diameter<320 orders 10% ~ 20%,
Chromium corundum<4 μ m 5% ~ 10%,
Zircon sand 5% ~ 10%,
Andaluzite 5% ~ 10%,
Alumina powder 5% ~ 10%,
Silicon powder 5% ~ 8%,
Pure calcium aluminate cement 2% ~ 5%,
Tripoly phosphate sodium STPP 0.1% ~ 1%,
Solid phosphoric acid aluminium 5% ~ 8%,
Silicon carbide 5% ~ 10%,
Yttrium oxide 0.1% ~ 1%;
Wherein the weight percent of each component of second material is:
Phosphoric acid solution 76% ~ 84%,
Aluminium hydroxide 16% ~ 24%.
According to a preferred embodiment of the invention, the particle diameter of zircon sand is not more than 220 orders, and the particle diameter of andaluzite is not more than 220 orders, and aluminum oxide is active alpha-Al that particle diameter is less than 1 μ m
2o
3micro mist, the particle diameter of silicon carbide is not more than 220 orders.
Another object of the present invention is to provide a kind of preparation method of super Wear-resistant corrosion-resistant chromium corundum rapid repair material.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of preparation method of super Wear-resistant corrosion-resistant chromium corundum rapid repair material is characterized in that the method comprises the following steps:
A, by described first material by each weight percentages of components weighing, put into stirrer for mixing standby after evenly;
B, described second material is put into to container by each weight percentages of components weighing stir and heat that to be brewed into pulpous state standby;
C, by pouring stirrer after first material and the weighing by weight percentage of second material into, stir after 5 minutes standby;
D, in the abrading section of required repairing, with streak method, apply, repairing finishes to open immediately stove without maintenance.
The invention has the advantages that, convenient construction short for engineering first-aid repair, time, wear resistance is good, resistance to corrosion is strong, long service life.
concrete embodiment
A kind of super Wear-resistant corrosion-resistant chromium corundum rapid repair material, is characterized in that this super Wear-resistant corrosion-resistant chromium corundum rapid repair material is formulated by first material and second material, and the weight percent of first material and second material is respectively 75 ~ 80% and 25 ~ 20%;
The weight percent of each component of first material is:
Chromium corundum particle diameter 3 ~ 1mm 15% ~ 25%,
Chromium corundum particle diameter 1 ~ 0mm 15% ~ 30%,
Chromium corundum particle diameter<320 orders 10% ~ 20%,
Chromium corundum<4 μ m 5% ~ 10%,
Zircon sand 5% ~ 10%,
Andaluzite 5% ~ 10%,
Alumina powder 5% ~ 10%,
Silicon powder 5% ~ 8%,
Pure calcium aluminate cement 2% ~ 5%,
Tripoly phosphate sodium STPP 0.1% ~ 1%,
Solid phosphoric acid aluminium 5% ~ 8%,
Silicon carbide 5% ~ 10%,
Yttrium oxide 0.1% ~ 1%
Wherein the weight percent of each component of second material is:
Phosphoric acid solution 76% ~ 84%
Aluminium hydroxide 16% ~ 24%.
According to a preferred embodiment of the invention, the particle diameter of zircon sand is not more than 220 orders, and the particle diameter of andaluzite is not more than 220 orders, and the particle diameter of silicon carbide is not more than 220 orders, active alpha-Al that aluminum oxide is particle diameter<1 μ m
2o
3micro mist; The concentration of phosphoric acid solution is 75%.
Be somebody's turn to do the preparation method of super Wear-resistant corrosion-resistant chromium corundum rapid repair material, it is characterized in that the method comprises the following steps:
A, by described first material by each weight percentages of components weighing, put into stirrer for mixing standby after evenly;
B, described second material is put into to container by each weight percentages of components weighing stir and heat (temperature is 70 ℃-80 ℃) to be brewed into pulpous state standby;
C, by pouring stirrer after first material and the weighing by weight percentage of second material into, stir after 5 minutes standby;
D, in the abrading section of required repairing, with streak method, apply, repairing finishes to open immediately stove without maintenance.
Be below specific embodiments of the invention.
Embodiment 1:
The first material:
Chromium corundum particle diameter 3 ~ 1mm 20kg,
Chromium corundum particle diameter 1 ~ 0mm 15kg,
Chromium corundum particle diameter 320 order 10kg,
Chromium corundum particle diameter<4 μ m 8kg,
Zircon sand 8kg,
Andaluzite 8kg,
Alumina powder 5kg,
Silicon powder 8kg,
Pure calcium aluminate cement 3kg,
Tripoly phosphate sodium STPP 1kg,
Solid phosphoric acid aluminium 8kg,
Silicon carbide 220 order 5kg,
Yttrium oxide 1kg,
Above-mentioned each component is put into to stirrer for mixing evenly rear standby;
The second material:
75% phosphoric acid solution 76kg,
Aluminium hydroxide 24kg,
Above-mentioned each component is put into to container to be stirred and heats (temperature is 70 ℃-80 ℃) to be brewed into pulpous state standby with the plastic tank barreled;
Get 7.5kg first material and 2.5kg second material during construction and import in stirrer that to stir effect in 5 minutes standby, and apply desired thickness in the abrading section of required repairing with streak method, repairing finishes to open immediately stove without maintenance, removes cost and furnace drying time such as burning stove from.
Embodiment 2:
Chromium corundum particle diameter 3 ~ 1mm 25kg,
Chromium corundum particle diameter 1 ~ 0mm 20kg,
Chromium corundum particle diameter 320 order 10kg,
Chromium corundum particle diameter<4 μ m 5kg,
Zircon sand 5kg,
Andaluzite 5kg,
Alumina powder 10kg,
Silicon powder 5kg,
Pure calcium aluminate cement 4.5kg,
Tripoly phosphate sodium STPP 0.1kg,
Solid phosphoric acid aluminium 5kg,
Silicon carbide 220 order 5kg,
Yttrium oxide 0.4kg,
Above-mentioned each component is put into to stirrer for mixing evenly rear standby;
The second material:
75% phosphoric acid solution 84kg,
Aluminium hydroxide 16kg,
Above-mentioned each component is put into to container to be stirred and heats (temperature is 70 ℃-80 ℃) to be brewed into pulpous state standby with the plastic tank barreled;
Get 8kg first material and 2kg second material during construction and import in stirrer that to stir effect in 5 minutes standby, and apply desired thickness in the abrading section of required repairing with streak method, repairing finishes to open immediately stove without maintenance, removes cost and furnace drying time such as burning stove from.
Embodiment 3:
The weight percent of each component of first material is:
Chromium corundum particle diameter 1 ~ 3mm 21kg,
Chromium corundum particle diameter 0 ~ 1mm 30kg,
Chromium corundum particle diameter 320 order 10kg,
Chromium corundum particle diameter<4 μ m 5kg,
Zircon sand 5kg,
Andaluzite 5kg,
Alumina powder 5kg,
Silicon powder 5kg,
Pure calcium aluminate cement 2kg,
Tripoly phosphate sodium STPP 0.1kg,
Solid phosphoric acid aluminium 5 kg,
Silicon carbide 220 order 6.4kg,
Yttrium oxide 0.5kg
Above-mentioned each component is put into to stirrer for mixing evenly rear standby;
The second material:
75% phosphoric acid solution 80kg,
Aluminium hydroxide 20kg,
Above-mentioned each component is put into to container to be stirred and heats (temperature is 70 ℃-80 ℃) to be brewed into pulpous state standby with the plastic tank barreled;
Get 7.8kg first material and 2.2kg second material during construction and import in stirrer that to stir effect in 5 minutes standby, and apply desired thickness in the abrading section of required repairing with streak method, repairing finishes to open immediately stove without maintenance, removes cost and furnace drying time such as burning stove from.
Embodiment 4:
Chromium corundum particle diameter 1 ~ 3mm 15kg,
Chromium corundum particle diameter 0 ~ 1mm 20kg,
Chromium corundum particle diameter 320 order 10kg,
Chromium corundum particle diameter<4 μ m 10kg,
Zircon sand 10kg,
Andaluzite 7kg,
Alumina powder 5kg,
Silicon powder 6kg,
Pure calcium aluminate cement 3kg,
Tripoly phosphate sodium STPP 0.5kg,
Solid phosphoric acid aluminium 6kg,
Silicon carbide 220 order 7kg,
Yttrium oxide 0.5kg,
Above-mentioned each component is put into to stirrer for mixing evenly rear standby;
The second material:
75% phosphoric acid solution 80kg,
Aluminium hydroxide 20kg,
Above-mentioned each component is put into to container to be stirred and heats (temperature is 70 ℃-80 ℃) to be brewed into pulpous state standby with the plastic tank barreled;
Get 15.5kg first material and 4.5kg second material during construction and import in stirrer that to stir effect in 5 minutes standby, and apply desired thickness in the abrading section of required repairing with streak method, repairing finishes to open immediately stove without maintenance, removes cost and furnace drying time such as burning stove from.
Embodiment 5:
Chromium corundum particle diameter 1 ~ 3mm 22kg,
Chromium corundum particle diameter 0 ~ 1mm 16kg,
Chromium corundum particle diameter 320 order 15kg,
Chromium corundum particle diameter<4 μ m 5kg,
Zircon sand 5kg,
Andaluzite 7kg,
Alumina powder 7kg,
Silicon powder 5kg,
Pure calcium aluminate cement 2kg,
Tripoly phosphate sodium STPP 0.8kg,
Solid phosphoric acid aluminium 5kg,
Silicon carbide 220 order 10kg,
Yttrium oxide 0.2kg;
Above-mentioned each component is put into to stirrer for mixing evenly rear standby;
The second material:
75% phosphoric acid solution 80kg,
Aluminium hydroxide 20kg,
Above-mentioned each component is put into to container to be stirred and heats (temperature is 70 ℃-80 ℃) to be brewed into pulpous state standby with the plastic tank barreled;
Get 8kg first material and 2kg second material during construction and import in stirrer that to stir effect in 5 minutes standby, and apply desired thickness in the abrading section of required repairing with streak method, repairing finishes to open immediately stove without maintenance, removes cost and furnace drying time such as burning stove from.
Embodiment 6:
Chromium corundum particle diameter 1 ~ 3mm 15kg,
Chromium corundum particle diameter 0 ~ 1mm 18kg,
Chromium corundum particle diameter 320 order 20kg,
Chromium corundum particle diameter<4 μ m 5kg,
Zircon sand 5kg,
Andaluzite 10kg,
Alumina powder 5kg,
Silicon powder 5kg,
Pure calcium aluminate cement 5kg,
Tripoly phosphate sodium STPP 1kg,
Solid phosphoric acid aluminium 5kg,
Silicon carbide 220 order 5kg,
Yttrium oxide 1kg;
Above-mentioned each component is put into to stirrer for mixing evenly rear standby;
The second material:
75% phosphoric acid solution 80kg,
Aluminium hydroxide 20kg,
Above-mentioned each component is put into to container to be stirred and heats (temperature is 70 ℃-80 ℃) to be brewed into pulpous state standby with the plastic tank barreled;
Get 8kg first material and 2kg second material during construction and import in stirrer that to stir effect in 5 minutes standby, and apply desired thickness in the abrading section of required repairing with streak method, repairing finishes to open immediately stove without maintenance, removes cost and furnace drying time such as burning stove from.
The Performance Ratio of the super Wear-resistant corrosion-resistant chromium corundum of the present invention rapid repair material and the current high-temperature coatings application number 200810243011.7 used, physicals, the corrosion resistance of the super Wear-resistant corrosion-resistant chromium corundum of the present invention rapid repair material improve greatly, and the amount of resistance to wearing reduces greatly.
As can be seen from the above table, compressive strength, folding strength and the wear resisting property of super Wear-resistant corrosion-resistant chromium corundum rapid repair material of the present invention all are better than the high temperature abrasion material that the patent No. is 200810243011.7, the rare earth oxide yttrium oxide plays to strengthen as refractory materials mends effect mutually, to aluminium oxide Al
2o
3, the weave construction such as silicon carbide and mechanical property all influential, particularly fracture toughness property and intensity are increased, therefore can also increase its work-ing life.
Claims (4)
1. a super Wear-resistant corrosion-resistant chromium corundum rapid repair material, is characterized in that this super Wear-resistant corrosion-resistant chromium corundum rapid repair material is formulated by first material and second material, and wherein the weight percent of first material and second material is respectively 75 ~ 80% and 25 ~ 20%;
The weight percent of each component of first material is:
Chromium corundum particle diameter 3 ~ 1mm 15% ~ 25%,
Chromium corundum particle diameter 1 ~ 0mm 15% ~ 30%,
Chromium corundum particle diameter<320 orders 10% ~ 20%,
Chromium corundum<4 μ m 5% ~ 10%,
Zircon sand 5% ~ 10%,
Andaluzite 5% ~ 10%,
Alumina powder 5% ~ 10%,
Silicon powder 5% ~ 8%,
Pure calcium aluminate cement 2% ~ 5%,
Tripoly phosphate sodium STPP 0.1% ~ 1%,
Solid phosphoric acid aluminium 5% ~ 8%,
Silicon carbide 5% ~ 10%,
Yttrium oxide 0.1% ~ 1%;
Wherein the weight percent of each component of second material is:
Phosphoric acid solution 76% ~ 84%,
Aluminium hydroxide 16% ~ 24%.
2. super Wear-resistant corrosion-resistant chromium corundum rapid repair material as claimed in claim 1, is characterized in that the particle diameter of zircon sand is not more than 220 orders, and the particle diameter of andaluzite is not more than 220 orders, and silicon powder is active alpha-Al that particle diameter is less than 1um
2o
3micro mist.
3. super Wear-resistant corrosion-resistant chromium corundum rapid repair material as claimed in claim 1, the concentration that it is characterized in that phosphoric acid solution is 75%.
4. the preparation method of super Wear-resistant corrosion-resistant chromium corundum rapid repair material as claimed in claim 1 is characterized in that the method comprises the following steps:
A, by described first material by each weight percentages of components weighing, put into stirrer for mixing standby after evenly;
B, described second material is put into to container by each weight percentages of components weighing stir and heat that to be brewed into pulpous state standby;
C, by pouring stirrer after first material and the weighing by weight percentage of second material into, stir after 5 minutes standby;
D, in the abrading section of required repairing, with streak method, apply.
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| CN201210192180.9A CN103449824B (en) | 2012-06-12 | 2012-06-12 | Ultra-wear-resistant chromium corundum quick repair material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835260A (en) * | 2018-08-16 | 2020-02-25 | 上海皕涛耐火材料有限公司 | High-wear-resistance chrome corundum ramming material and application thereof |
| CN112097526A (en) * | 2020-08-24 | 2020-12-18 | 山东墨龙石油机械股份有限公司 | Refractory repair method for smelting reduction furnace slag area |
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| CN101445379A (en) * | 2008-12-19 | 2009-06-03 | 周建国 | Dedicated pouring material for cement kiln outlet and jetting coal pipe and preparation method thereof |
| CN102134164A (en) * | 2010-01-21 | 2011-07-27 | 宜兴市国强炉业有限公司 | High-temperature wear-resistant repairing coating and preparation method thereof |
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2012
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Patent Citations (3)
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| CN101219904A (en) * | 2008-01-14 | 2008-07-16 | 濮阳濮耐高温材料（集团）股份有限公司 | Hot patching mending material and hot patching pressing in method |
| CN101445379A (en) * | 2008-12-19 | 2009-06-03 | 周建国 | Dedicated pouring material for cement kiln outlet and jetting coal pipe and preparation method thereof |
| CN102134164A (en) * | 2010-01-21 | 2011-07-27 | 宜兴市国强炉业有限公司 | High-temperature wear-resistant repairing coating and preparation method thereof |
Non-Patent Citations (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835260A (en) * | 2018-08-16 | 2020-02-25 | 上海皕涛耐火材料有限公司 | High-wear-resistance chrome corundum ramming material and application thereof |
| CN110835260B (en) * | 2018-08-16 | 2022-11-18 | 上海皕涛耐火材料有限公司 | High-wear-resistance chrome corundum ramming material and application thereof |
| CN112097526A (en) * | 2020-08-24 | 2020-12-18 | 山东墨龙石油机械股份有限公司 | Refractory repair method for smelting reduction furnace slag area |
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| CN103449824B (en) | 2015-02-18 |
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