CN101428997A - High temperature abrasion-proof paint and method for producing the same - Google Patents

High temperature abrasion-proof paint and method for producing the same Download PDF

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CN101428997A
CN101428997A CNA2008102430117A CN200810243011A CN101428997A CN 101428997 A CN101428997 A CN 101428997A CN A2008102430117 A CNA2008102430117 A CN A2008102430117A CN 200810243011 A CN200810243011 A CN 200810243011A CN 101428997 A CN101428997 A CN 101428997A
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powder
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high temperature
temperature abrasion
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CN101428997B (en
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林国强
蔡锋
张洪强
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Yixing Guoqiang Furnace Industry Co ltd
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Abstract

The invention relates to a 318 high-temperature wear-resistant coating and a preparation method thereof, in particular to a rapid repair material for repairing various abrasive bricks and wear-resistant casting damage positions in circulating fluidized bed boilers of fuel electric plants. At the same time, the invention provides a method for producing the high-temperature wear-resistant coating, and belongs to the technical field of refractory material. The rapid repair material consists of a material A and a material B according to the weight portion proportion of 70-85 to 30-15, wherein the material A is prepared by zircon corundum, fine corundum powder, cyanite, yttrium-stabilized zirconium, silicon micropowder, alumina micropowder, pure calcium aluminate cement, trimeric sodium phosphate, and fused calcium chromate; and the material B is prepared by phosphorous acid, ink grade aluminum hydroxide, zirconia ultrafine powder, yttrium-stabilized zirconium, and fused calcium chromate.

Description

High temperature abrasion material and preparation method thereof
Technical field
The present invention relates to a kind of 318 high temperature abrasion materials and preparation method thereof, be used to repair the rapid repair material of each abrasive brick, wear-resistant pouring damaged location in the circular fluid bed of specifically a kind of fuel-burning power plant, the manufacture method of this high temperature abrasion material is provided simultaneously.Belong to technical field of refractory materials.
Background technology
The circular fluid bed technology is the clean coal combustion technology of generally acknowledging at present, because circulating fluidized bed electricity generation boiler construction system complexity is great in constructing amount, and coal dust flow velocity height in the system pipeline, flow is big, therefore refractory materials is required excellent performance.But the refractory materials that uses in circular fluid bed at present adopts high alumina or fused corundom raw material, the cement content height, its wear resistance, anti-erosion, abrasion resistance and thermal shock resistance all can not satisfy the requirement of circular fluid bed technology, life cycle is short, need often to repair or change, influence the normal operation of circular fluid bed, consume a large amount of manpower and financial resources.
Summary of the invention
The present invention seeks at above-mentioned weak point, a kind of high temperature abrasion material and preparation method thereof is provided, it is the high temperature abrasion material of circular fluid bed, adopt zircon corundum, super-fine powder, 98 above dusts are agree silica flour, pure calcium aluminate cement, glossy black level aluminium hydroxide, yttrium base stabilised zirconia, compatibilities such as electric smelting yellow ultramarine, the wear resistance high-adhesion of refractory materials, resistance to fouling, abrasion resistance and thermal shock resistance excellence, life cycle can reach more than a year and a half, significantly reduce the turn(a)round of circular fluid bed, saved patching material, save baker material and furnace drying time, reduced running cost.
High temperature abrasion material and preparation method thereof is to take following technical scheme to realize:
High temperature abrasion material is characterized in that being made up of 70~85:30~15 by weight ratio first material and second material, wherein:
First material each component weight percent proportioning is
Zircon corundum particle diameter 1~3mm 15%~25%
Zircon corundum particle diameter 0.4~1mm 25%~35%
Corundum fine powder 15%~25%
No. three kyanites 10%~20% in river
Yttrium base stabilised zirconia 3%~9%
Silicon powder 3%~7%
Alumina powder 4%~8%
Pure calcium aluminate cement 3%~8%
Tripoly phosphate sodium STPP 0.1%~0.5%
Electric smelting yellow ultramarine 0.5%~2.5%
Wherein, The corundum fine powder fineness is 220~250 orders (sieving); No. three kyanite fineness in river are 180 orders~220 orders (sieving); Silicon powder adopts SI 〉=98% dust to agree silicon powder.
Second material each component weight percent proportioning is
Phosphoric acid 75%-85%
Printing ink level aluminium hydroxide 6%~15%
Ultrafine zirconia powder 5%~7%
Yttrium base stabilised zirconia 3%~8%
Electric smelting yellow ultramarine 0.3%~2.3%
Wherein: it is 85% phosphoric acid that phosphoric acid adopts concentration; The ultrafine zirconia powder fineness is 0.007~0.04mm (sieving).
The present invention selects zircon corundum as aggregate, powder, be because its apparent porosity less than 3%, volume density is greater than 3.3g/Cm 3, Mohs' hardness is higher than 10, and the volume density of product is improved, and shows porosity and reduces, and intensity significantly improves; Fine aluminium sour water mud can strengthen the avidity of synthetic material, and the effect that adds super-fine powder is to have increased fillibility, has improved application property, thereby makes its mobile increase.Because the first material increases yttrium base stabilised zirconia as raw material, can increase the coating high thermal resistance, stability, the first material adds the electric smelting yellow ultramarine, can increase coating high thermal resistance and paint adhesion intensity.The second material can further increase coating high thermal resistance, stability owing to add yttrium base stabilised zirconia, and the second material adds the electric smelting yellow ultramarine, can further increase coating high thermal resistance and paint adhesion intensity.High temperature abrasion material of the present invention and the high-abrasive material and the application number that use at present: the performance of 2007100235172 high temperature abrasion material patent application products compares: high temperature abrasion material of the present invention makes folding strength increase by 4~5 times, compressive strength increases nearly 2 times, and reheating linear change rate on reheating is reduced, volume density increases, and abrasion loss reduces greatly.
The preparation method of high temperature abrasion material of the present invention is with first material each component per distribution ratio weighing by weight: zircon corundum aggregate size 1~3mm, zircon corundum powder particle size 0.4~1mm, corundum fine powder, No. three kyanites in river, yttrium base stabilised zirconia, silicon powder, alumina powder, pure calcium aluminate cement, tripoly phosphate sodium STPP, electric smelting yellow ultramarine, above-mentioned first material each component is put into mixing agitator mixes, discharging, be encapsulated into the bag standby; With second material each component per distribution ratio weighing by weight: phosphoric acid, printing ink level aluminium hydroxide, ultrafine zirconia powder, yttrium base stabilised zirconia, electric smelting yellow ultramarine, after above-mentioned second material each component put into mixing agitator uniform mixing reaction, discharging, plastic tank barreled were standby.During construction the first material of high temperature abrasion material and second material joined in the forced mixer according to weight proportion and stir, the back employing streak method that stirs was applied to it reparation position of all abrasive bricks in the circular fluid bed, each damaged location of wear-resistant castable in 30 minutes, behind the normal temperature 48 hours, can finish circular fluid bed abrasive brick, wear-resistant castable broken parts recovery project, need not baker and just can directly open stove.Baker cost and furnace drying time have been saved.
High temperature abrasion material of the present invention has very high compressive strength, hardness is bigger, Mohs' hardness is higher than 10,1590 ℃, 3 hours abrasion losies of sintering are lower than 5/cm3, the density height, has excellent abrasive, resistance to fouling, abrasion resistance, thermal shock resistance and high-adhesion. under the same conditions, the mould material of using with present this area relatively, circular fluid bed was brought up to accumulative total and move more than 15000 hours running period from about 3500 hours, having overcome the boiler liner needs often to repair the problem of changing, save and understand manpower and materials, improved production efficiency greatly.
Embodiment
Embodiment 1, high temperature abrasion material are made up of the first material of 70 parts of weight and the second material of 30 parts of weight, wherein:
The weight percent of first material each component is:
Zircon corundum particle diameter 1~3mm 15%
Zircon corundum particle diameter 0.4~1mm 35%
Corundum fine powder 220~250 orders 20%
No. 3 kyanite 180 orders in river~220 orders 16%
Yttrium base stabilised zirconia 3%
Silicon powder SI 〉=98% dust is agree silicon powder 3%
Alumina powder 4%
Pure calcium aluminate cement 3%
Tripoly phosphate sodium STPP 0.5%
Electric smelting yellow ultramarine 0.5%;
The weight percent of second material each component is:
Phosphoric acid 75%
Printing ink level aluminium hydroxide 15%
Ultrafine zirconia powder 5%
Yttrium base stabilised zirconia 3%
Electric smelting yellow ultramarine 2%
Wherein: it is 85% phosphoric acid that phosphoric acid adopts concentration; The ultrafine zirconia powder fineness is 0.007~0.04mm,
During manufacturing, first material each component by packed behind the proportioning uniform mixing, by proportioning uniform mixing reaction back plastic tank barreled, is expected the A material second material each component mix by weight ratio to get final product with B before the construction.
Embodiment 2, high temperature abrasion material are made up of the first material of 80 parts of weight and the second material of 20 parts of weight, wherein:
The weight percent of first material each component is:
Zircon corundum particle diameter 1~3mm 19%
Zircon corundum particle diameter 0.4~1mm 25%
Corundum fine powder 220~250 orders 15%
No. 3 kyanite 180 orders in river~220 orders 10%
Yttrium base stabilised zirconia 9%
Silicon powder SI 〉=98% dust is agree silicon powder 7%
Alumina powder 8%
Pure calcium aluminate cement 5.5%
Tripoly phosphate sodium STPP 0.3%
Electric smelting yellow ultramarine 1.2%;
The weight percent of second material each component is:
Phosphoric acid 85%
Printing ink level aluminium hydroxide 6%
Ultrafine zirconia powder 5%
Yttrium base stabilised zirconia 3.7%
Electric smelting yellow ultramarine 0.3%
Wherein: it is 85% phosphoric acid that phosphoric acid adopts concentration; The ultrafine zirconia powder fineness is 0.007~0.04mm,
During manufacturing, first material each component by packed behind the proportioning uniform mixing, by proportioning uniform mixing reaction back plastic tank barreled, is expected the A material second material each component mix by weight ratio to get final product with B before the construction.
Embodiment 3, high temperature abrasion material are made up of the first material of 85 parts of weight and the second material of 15 parts of weight, wherein:
The weight percent of first material each component is:
Zircon corundum particle diameter 1~3mm 25%
Zircon corundum particle diameter 0.4~1mm 28%
Corundum fine powder 220~250 orders 15%
No. 3 kyanite 180 orders in river~220 orders 10%
Yttrium base stabilised zirconia 5%
Silicon powder SI 〉=98% dust is agree silicon powder 5%
Alumina powder 5.4%
Pure calcium aluminate cement 4%
Tripoly phosphate sodium STPP 0.1%
Electric smelting yellow ultramarine 2.5%;
The weight percent of second material each component is:
Phosphoric acid 75%
Printing ink level aluminium hydroxide 7.7%
Ultrafine zirconia powder 7%
Yttrium base stabilised zirconia 8%
Electric smelting yellow ultramarine 2.3%
Wherein: it is 85% phosphoric acid that phosphoric acid adopts concentration; The ultrafine zirconia powder fineness is 0.007~0.04mm,
During manufacturing, first material each component by packed behind the proportioning uniform mixing, by proportioning uniform mixing reaction back plastic tank barreled, is expected the A material second material each component mix by weight ratio to get final product with B before the construction.
Embodiment 4, high temperature abrasion material are made up of the first material of 75 parts of weight and the second material of 25 parts of weight, wherein:
The weight percent of first material each component is:
Zircon corundum particle diameter 1~3mm 15%
Zircon corundum particle diameter 0.4~1mm 25%
Corundum fine powder 220~250 orders 25%
No. 3 kyanite 180 orders in river~220 orders 16%
Yttrium base stabilised zirconia 3%
Silicon powder SI 〉=98% dust is agree silicon powder 3%
Alumina powder 4%
Pure calcium aluminate cement 8%
Tripoly phosphate sodium STPP 0.5%
Electric smelting yellow ultramarine 0.5%;
The weight percent of second material each component is:
Phosphoric acid 80%
Printing ink level aluminium hydroxide 15%
Ultrafine zirconia powder 5%
Yttrium base stabilised zirconia 4%
Electric smelting yellow ultramarine 1%
Wherein: it is 85% phosphoric acid that phosphoric acid adopts concentration; The ultrafine zirconia powder fineness is 0.007~0.04mm,
During manufacturing, first material each component by packed behind the proportioning uniform mixing, by proportioning uniform mixing reaction back plastic tank barreled, is expected the A material second material each component mix by weight ratio to get final product with B before the construction.
Embodiment 5, high temperature abrasion material are made up of the first material of 80 parts of weight and the second material of 20 parts of weight, wherein:
The weight percent of first material each component is:
Zircon corundum particle diameter 1~3mm 20%
Zircon corundum particle diameter 0.4~1mm 24%
Corundum fine powder 220~250 orders 15%
No. 3 kyanite 180 orders in river~220 orders 20%
Yttrium base stabilised zirconia 9%
Silicon powder SI 〉=98% dust is agree silicon powder 3%
Alumina powder 4%
Pure calcium aluminate cement 3%
Tripoly phosphate sodium STPP 0.5%
Electric smelting yellow ultramarine 1.5%;
The weight percent of second material each component is:
Phosphoric acid 75%
Printing ink level aluminium hydroxide 10%
Ultrafine zirconia powder 7%
Yttrium base stabilised zirconia 6%
Electric smelting yellow ultramarine 2%
Wherein: it is 85% phosphoric acid that phosphoric acid adopts concentration; The ultrafine zirconia powder fineness is 0.007~0.04mm,
During manufacturing, first material each component by packed behind the proportioning uniform mixing, by proportioning uniform mixing reaction back plastic tank barreled, is expected the A material second material each component mix by weight ratio to get final product with B before the construction.
Table 1 compares for the performance of high temperature abrasion material of the present invention and the present high-abrasive material that uses.
Figure A200810243011D00131

Claims (4)

1, a kind of high temperature abrasion material is characterized in that being made up of 70~85:30~15 by weight ratio first material and second material, wherein:
First material each component weight percent proportioning is
Zircon corundum particle diameter 1~3mm 15%~25%
Zircon corundum particle diameter 0.4~1mm 25%~35%
Corundum fine powder 15%~25%
No. three kyanites 10%~20% in river
Yttrium base stabilised zirconia 3%~9%
Silicon powder 3%~7%
Alumina powder 4%~8%
Pure calcium aluminate cement 3%~8%
Tripoly phosphate sodium STPP 0.1%~0.5%
Electric smelting yellow ultramarine 0.5%~2.5%;
Second material each component weight percent proportioning is
Phosphoric acid 75%-85%
Printing ink level aluminium hydroxide 6%~15%
Ultrafine zirconia powder 5%~7%
Yttrium base stabilised zirconia 3%~8%
Electric smelting yellow ultramarine 0.3%~2.3%.
2, high temperature abrasion material according to claim 1 is characterized in that the corundum fine powder fineness is 220~250 orders in the described first material component; No. three kyanite fineness in river are 180 orders~220 orders; Silicon powder adopts SI 〉=98% dust to agree silicon powder.
3, high temperature abrasion material according to claim 1 is characterized in that phosphoric acid employing concentration is 85% phosphoric acid in the described second material component, and the ultrafine zirconia powder fineness is 0.007~0.04mm.
4, the preparation method of the described high temperature abrasion material of claim 1, it is characterized in that weight percent proportioning by described first material of claim 1 and second material, with first material each component by packed behind the proportioning uniform mixing, second material each component by proportioning uniform mixing reaction back plastic tank barreled, is mixed A material and B material before the construction by weight ratio.
CN2008102430117A 2008-12-08 2008-12-08 High temperature abrasion-proof paint and method for producing the same Expired - Fee Related CN101428997B (en)

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Cited By (8)

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WO2011088742A1 (en) * 2010-01-21 2011-07-28 宜兴市国强炉业有限公司 High temperature abrasion resistant repairing paint and preparing method thereof
CN103819165A (en) * 2013-12-05 2014-05-28 江南大学 High-temperature inorganic surface wear-resistant paint for CFB (circulating fluid bed) boiler and preparation method of high-temperature inorganic surface wear-resistant paint
CN107385161A (en) * 2017-07-26 2017-11-24 江苏苏丰机械科技有限公司 A kind of new material Major-diameter annealing machine
CN107599181A (en) * 2017-10-16 2018-01-19 宜兴市国强炉业有限公司 High temperature abrasion material mixes induction system
CN107828947A (en) * 2017-10-25 2018-03-23 江苏广盛源科技发展有限公司 A kind of welding annealing device
CN111763092A (en) * 2020-06-17 2020-10-13 林国强 Anti-slagging high-temperature wear-resistant composite material and preparation method thereof
CN111763091A (en) * 2020-06-17 2020-10-13 林国强 High-thermal-shock wear-resistant coating and preparation method thereof
CN112194472A (en) * 2020-10-14 2021-01-08 郑州东方炉衬材料有限公司 Wear-resistant adhesive for repairing gasification furnace and power station boiler and production process

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011088742A1 (en) * 2010-01-21 2011-07-28 宜兴市国强炉业有限公司 High temperature abrasion resistant repairing paint and preparing method thereof
CN102134164B (en) * 2010-01-21 2013-04-17 宜兴市国强炉业有限公司 High-temperature wear-resistant repairing coating and preparation method thereof
CN103819165A (en) * 2013-12-05 2014-05-28 江南大学 High-temperature inorganic surface wear-resistant paint for CFB (circulating fluid bed) boiler and preparation method of high-temperature inorganic surface wear-resistant paint
CN103819165B (en) * 2013-12-05 2016-08-24 江南大学 A kind of CFB boiler high temperature inorganic surface abrasion resistance coating and preparation method thereof
CN107385161A (en) * 2017-07-26 2017-11-24 江苏苏丰机械科技有限公司 A kind of new material Major-diameter annealing machine
CN107599181A (en) * 2017-10-16 2018-01-19 宜兴市国强炉业有限公司 High temperature abrasion material mixes induction system
CN107599181B (en) * 2017-10-16 2023-06-06 宜兴市国强炉业有限公司 High-temperature wear-resistant coating mixing, stirring and conveying system
CN107828947A (en) * 2017-10-25 2018-03-23 江苏广盛源科技发展有限公司 A kind of welding annealing device
CN111763092A (en) * 2020-06-17 2020-10-13 林国强 Anti-slagging high-temperature wear-resistant composite material and preparation method thereof
CN111763091A (en) * 2020-06-17 2020-10-13 林国强 High-thermal-shock wear-resistant coating and preparation method thereof
CN112194472A (en) * 2020-10-14 2021-01-08 郑州东方炉衬材料有限公司 Wear-resistant adhesive for repairing gasification furnace and power station boiler and production process

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