RU2016121145A - WEAR-RESISTANT COMPOSITION FOR MANUFACTURE OF A WEAR-RESISTANT ELEMENT USED FOR MANUFACTURE OF THE GRINDING ROLLER OR THE LINING OF THE GRINDING TABLE OF A VERTICAL ROLLER MILL, AND METHODS OF THEIR MANUFACTURE - Google Patents

WEAR-RESISTANT COMPOSITION FOR MANUFACTURE OF A WEAR-RESISTANT ELEMENT USED FOR MANUFACTURE OF THE GRINDING ROLLER OR THE LINING OF THE GRINDING TABLE OF A VERTICAL ROLLER MILL, AND METHODS OF THEIR MANUFACTURE Download PDF

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RU2016121145A
RU2016121145A RU2016121145A RU2016121145A RU2016121145A RU 2016121145 A RU2016121145 A RU 2016121145A RU 2016121145 A RU2016121145 A RU 2016121145A RU 2016121145 A RU2016121145 A RU 2016121145A RU 2016121145 A RU2016121145 A RU 2016121145A
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volume
oxide
wear
manufacture
briquette
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RU2016121145A
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Ашиш КАНОДИЯ
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Баладжи Индастриал Продактс Лтд.
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    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
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    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
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    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
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    • B02C4/00—Crushing or disintegrating by roller mills
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Claims (63)

1. Износостойкий состав для изготовления износостойкого элемента, применяемого для изготовления измельчающего валка или футеровки размольного стола для вертикальной валковой мельницы, при этом состав содержит:1. Wear-resistant composition for the manufacture of a wear-resistant element used for the manufacture of a grinding roll or lining of a grinding table for a vertical roller mill, the composition contains: - 50,0-69% по объему оксида алюминия (Al2O3);- 50.0-69% by volume of aluminum oxide (Al 2 O 3 ); - 25,0-39,0% по объему оксида циркония (ZrO2);- 25.0-39.0% by volume of zirconium oxide (ZrO 2 ); - 0,10-0,9% по объему оксида титана (TiO2);- 0.10-0.9% by volume of titanium oxide (TiO 2 ); - 0,10-0,9% по объему диоксида кремния (SiO2);- 0.10-0.9% by volume of silicon dioxide (SiO 2 ); - 0,10-0,5% по объему оксида железа (Fe2O3);- 0.10-0.5% by volume of iron oxide (Fe 2 O 3 ); - 0,03-0,09% по объему оксида натрия (Na2O);- 0.03-0.09% by volume of sodium oxide (Na 2 O); - 0,05-0,09% по объему оксида кальция (CaO);- 0.05-0.09% by volume of calcium oxide (CaO); - 5,0-8,0% по объему оксида магния (MgO) и- 5.0-8.0% by volume of magnesium oxide (MgO) and - 0,5-2,0% по объему оксида иттрия (Y2O3).- 0.5-2.0% by volume of yttrium oxide (Y 2 O 3 ). 2. Состав по п. 1, где состав содержит:2. The composition according to p. 1, where the composition contains: - 59,00% по объему оксида алюминия (Al2O3);- 59.00% by volume of aluminum oxide (Al 2 O 3 ); - 32,85% по объему оксида циркония (ZrO2);- 32.85% by volume of zirconium oxide (ZrO 2 ); - 0,35% по объему оксида титана (TiO2);- 0.35% by volume of titanium oxide (TiO 2 ); - 0,45% по объему диоксида кремния (SiO2);- 0.45% by volume of silicon dioxide (SiO 2 ); - 0,25% по объему оксида железа (Fe2O3);- 0.25% by volume of iron oxide (Fe 2 O 3 ); - 0,08% по объему оксида натрия (Na2O);- 0.08% by volume of sodium oxide (Na 2 O); - 1,02% по объему оксида кальция (CaO);- 1.02% by volume of calcium oxide (CaO); - 5,20% по объему оксида магния (MgO) и- 5.20% by volume of magnesium oxide (MgO) and - 0,80% по объему оксида иттрия (Y2O3).- 0.80% by volume of yttrium oxide (Y 2 O 3 ). 3. Состав по п. 1, где состав содержит:3. The composition according to p. 1, where the composition contains: - 60,00% по объему оксида алюминия (Al2O3);- 60.00% by volume of aluminum oxide (Al 2 O 3 ); - 31,00% по объему оксида циркония (ZrO2);- 31.00% by volume of zirconium oxide (ZrO 2 ); - 0,15% по объему оксида титана (TiO2);- 0.15% by volume of titanium oxide (TiO 2 ); - 0,35% по объему диоксида кремния (SiO2);- 0.35% by volume of silicon dioxide (SiO 2 ); - 0,15% по объему оксида железа (Fe2O3);- 0.15% by volume of iron oxide (Fe 2 O 3 ); - 0,03% по объему оксида натрия (Na2O);- 0.03% by volume of sodium oxide (Na 2 O); - 0,09% по объему оксида кальция (CaO);- 0.09% by volume of calcium oxide (CaO); - 7,52% по объему оксида магния (MgO) и- 7.52% by volume of magnesium oxide (MgO) and - 0,71% по объему оксида иттрия (Y2O3).- 0.71% by volume of yttrium oxide (Y 2 O 3 ). 4. Состав по любому из пп. 1-3, дополнительно содержащий нитрид титана (TiN) для покрытия в качестве слоя поверх состава.4. The composition according to any one of paragraphs. 1-3, additionally containing titanium nitride (TiN) for coating as a layer on top of the composition. 5. Состав по любому из пп. 1-3, дополнительно содержащий карбонитрид титана (TiCN) для покрытия в качестве слоя поверх состава.5. The composition according to any one of paragraphs. 1-3, additionally containing titanium carbonitride (TiCN) for coating as a layer on top of the composition. 6. Состав по любому из пп. 1-3, дополнительно содержащий алюмонитрид титана (TiAlN) для покрытия в качестве слоя поверх состава.6. The composition according to any one of paragraphs. 1-3, additionally containing titanium aluminum nitride (TiAlN) for coating as a layer on top of the composition. 7. Состав по любому из пп. 1-3, дополнительно содержащий нитрид титана (TiN), карбонитрид титана (TiCN) и алюмонитрид титана (TiAlN) для покрытия в чередующихся слоях поверх состава.7. The composition according to any one of paragraphs. 1-3, additionally containing titanium nitride (TiN), titanium carbonitride (TiCN) and titanium aluminum nitride (TiAlN) for coating in alternating layers over the composition. 8. Брикет, применяемый для изготовления износостойкого элемента, применяемого для изготовления измельчающего валка или футеровки размольного стола для вертикальной валковой мельницы, при этом брикет содержит:8. The briquette used for the manufacture of a wear-resistant element used for the manufacture of the grinding roll or lining of the grinding table for a vertical roller mill, while the briquette contains: - 85-98% по объему состава по любому из пп. 1-7 и- 85-98% by volume of the composition according to any one of paragraphs. 1-7 and - 2-15% по объему связующего.- 2-15% by volume of the binder. 9. Брикет по п. 8, где брикет содержит:9. The briquette according to claim 8, where the briquette contains: - 95% по объему состава по любому из пп. 1-7 и- 95% by volume of the composition according to any one of paragraphs. 1-7 and - 5% по объему неорганического связующего на основе оксида алюминия.- 5% by volume of an inorganic binder based on alumina. 10. Способ изготовления брикета, применяемого для изготовления износостойкого элемента, применяемого для изготовления измельчающего валка или футеровки размольного стола для вертикальной валковой мельницы, при этом способ включает:10. A method of manufacturing a briquette used for the manufacture of a wear-resistant element used for the manufacture of a grinding roll or lining of a grinding table for a vertical roller mill, the method comprising: - смешивание 85-98% по объему состава по любому из пп. 1-7 и 2-15% по объему связующего с получением смеси;- mixing 85-98% by volume of the composition according to any one of paragraphs. 1-7 and 2-15% by volume of a binder to obtain a mixture; - помещение смеси в литейную форму необходимой формы в соответствии с требованиями конструкции;- placing the mixture in the mold of the required form in accordance with the requirements of the design; - подвергание вибрации литейной формы с помощью вибрационного устройства для распределения и усадки смеси в литейной форме и- exposure of the mold to vibration using a vibrating device for distributing and shrinking the mixture in the mold and - нагревание литейной формы в печи при температуре 60°С - 180°С в течение периода 50-300с с образованием брикета.- heating the mold in the oven at a temperature of 60 ° C - 180 ° C for a period of 50-300 s with the formation of a briquette. 11. Способ по п. 10, где 95% по объему состава по любому из пп. 1-7 и 5% по объему связующего смешивают с получением смеси.11. The method according to p. 10, where 95% by volume of the composition according to any one of paragraphs. 1-7 and 5% by volume of the binder are mixed to obtain a mixture. 12. Способ по п. 10 или 11, где связующее представляет собой неорганическое связующее на основе оксида алюминия.12. The method according to p. 10 or 11, where the binder is an inorganic binder based on alumina. 13. Износостойкий элемент, применяемый для изготовления измельчающего валка для вертикальной валковой мельницы, при этом износостойкий элемент содержит13. Wear-resistant element used for the manufacture of the grinding roller for a vertical roller mill, while the wear-resistant element contains - 2-10% по объему брикета по п. 8 или 9 и 90-98% по объему металла.- 2-10% by volume of the briquette according to claim 8 or 9 and 90-98% by volume of metal. 14. Износостойкий элемент, применяемый для изготовления измельчающего валка для вертикальной валковой мельницы, по п. 13, где износостойкий элемент содержит 5% по объему брикета по п. 8 или 9 и 95% по объему стали с высоким содержанием хрома (Hi-Cr).14. The wear-resistant element used for the manufacture of the grinding roller for a vertical roller mill according to claim 13, where the wear-resistant element contains 5% by volume of the briquette according to claim 8 or 9 and 95% by volume of steel with a high chromium content (Hi-Cr) . 15. Износостойкий элемент, применяемый для изготовления измельчающего валка для вертикальной валковой мельницы, по п. 13 или 14, где брикет и металл отлиты в литейной форме и термически обработаны в печи при температуре 1600°C - 1800°C.15. Wear-resistant element used for the manufacture of a grinding roll for a vertical roller mill, according to claim 13 or 14, where the briquette and metal are cast in a mold and heat treated in a furnace at a temperature of 1600 ° C - 1800 ° C. 16. Способ изготовления износостойкого элемента, применяемого для изготовления измельчающего валка или футеровки размольного стола для вертикальной валковой мельницы, при этом способ включает:16. A method of manufacturing a wear-resistant element used for the manufacture of a grinding roll or lining of a grinding table for a vertical roller mill, the method comprising: получение литейной формы для износостойкого элемента в соответствии с необходимой формой и конструкцией;obtaining a mold for a wear-resistant element in accordance with the required shape and design; размещение нижней пластины из пары пластин, подлежащих использованию, внутри литейной формы;placing the bottom plate of a pair of plates to be used inside the mold; размещение брикета по любому из пп. 8 или 9, где брикет размещают внутри формы таким образом, чтобы брикет поддерживался парой пластин;placing the briquette according to any one of paragraphs. 8 or 9, where the briquette is placed inside the mold so that the briquette is supported by a pair of plates; размещение верхней пластины;placement of the upper plate; закрытие литейной формы;mold closure; заливка металла внутрь литейной формы через предусмотренный литейный желоб, как это принято в обычном способе литья;pouring metal into the mold through the provided casting chute, as is customary in the conventional casting method; выполнение встряхивания в горячем состоянии литейной формы, когда поверхностная температура элемента достигает 350-750°С, с последующей термической обработкой.performing shaking in the hot state of the mold when the surface temperature of the element reaches 350-750 ° C, followed by heat treatment. 17. Способ по п. 16, где литейную форму изготавливают из формовочного песка.17. The method according to p. 16, where the mold is made of foundry sand. 18. Измельчающий валок для вертикальной валковой мельницы, содержащий износостойкий элемент, изготовленный способом по п. 16.18. Grinding roller for a vertical roller mill containing a wear-resistant element made by the method according to p. 16. 19. Измельчающий валок для вертикальной валковой мельницы, содержащий брикет, изготовленный способом по п. 8 или 9.19. A grinding roller for a vertical roller mill containing a briquette made by the method according to p. 8 or 9. 20. Футеровка размольного стола для вертикальной валковой мельницы, содержащая брикет, изготовленный способом по п. 8 или 9. 20. The lining of the grinding table for a vertical roller mill containing a briquette made by the method according to p. 8 or 9.
RU2016121145A 2013-11-01 2014-01-03 WEAR-RESISTANT COMPOSITION FOR MANUFACTURE OF A WEAR-RESISTANT ELEMENT USED FOR MANUFACTURE OF THE GRINDING ROLLER OR THE LINING OF THE GRINDING TABLE OF A VERTICAL ROLLER MILL, AND METHODS OF THEIR MANUFACTURE RU2016121145A (en)

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CA2266475A1 (en) * 1996-10-01 1998-04-16 Hubert Francois Composite wear part
ES2190881B1 (en) * 2001-09-17 2004-09-16 Fundacion Inasmet PARTS FOR GRINDING OF COMPOSITE ARIDS OF A METALLIC MATRIX WITH INTERNAL INSERT OF CERAMIC MATERIAL.
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