IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0269318
(2002-10-11)
|
우선권정보 |
DE-0051479 (2001-10-18) |
발명자
/ 주소 |
- Eyhorn, Thomas
- Rell, Andreas
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
3 |
초록
▼
A thermal insulation molding having a density of 150-500 kg/m 3 , includes a thermal insulation material, containing 5%-75% by weight of pyrogenic silica (HDK), 5%-50% by weight of electric-arc silica, 5%-50% by weight of opacifier, wherein the electric-arc silica has a bulk density of <200 kg
A thermal insulation molding having a density of 150-500 kg/m 3 , includes a thermal insulation material, containing 5%-75% by weight of pyrogenic silica (HDK), 5%-50% by weight of electric-arc silica, 5%-50% by weight of opacifier, wherein the electric-arc silica has a bulk density of <200 kg/m 3 , a carbon content of <0.1% by weight, an alkali metal oxide content of <0.2% by weight, an alkaline-earth metal oxide content of <0.3% by weight, an SO 3 content of <0.05% by weight and a specific surface area of >30 m 2 /g.
대표청구항
▼
1. A thermal insulation molding having a density of 150 to 500 kg/m 3 , comprisinga thermal insulation material, containing 5%-75% by weight of pyrogenic silica, 5% to 50% by weight of electric-arc silica, 5% to 50% by weight of opacifier, wherein the electric-arc silica has a bulk density of <
1. A thermal insulation molding having a density of 150 to 500 kg/m 3 , comprisinga thermal insulation material, containing 5%-75% by weight of pyrogenic silica, 5% to 50% by weight of electric-arc silica, 5% to 50% by weight of opacifier, wherein the electric-arc silica has a bulk density of <200 kg/m 3 , a carbon content of <0.1% by weight, an alkali metal oxide content of <0.2% by weight, an alkaline-earth metal oxide content of <0.3% by weight, an SO 3 content of <0.05% by weight and a specific surface area of >30 m 2 /g; andwherein each percent by weight is based upon the total weight of the thermal insulation molding. 2. The thermal insulation molding as claimed in claim 1,wherein the electric-arc silica has a bulk density of 70 kg/m 3 to 190 kg/m 3 , a carbon content of 0% to 0.05% by weight, an alkali metal oxide content of 0.02% to 0.18% by weight, an alkaline-earth metal oxide content of 0.05% to <0.3% by weight, an SO 3 content of 0% to <0.05% by weight and a specific surface area of >30 to 48 m 2 /g; andwherein each percent by weight is based upon the total weight of the thermal insulation molding. 3. A process for producing a thermal insulation moldinghaving a density of 150 to 500 kg/m 3 , which comprisescompressing at a pressure of 8 to 20 bar a thermal insulation mixture of material, containing 5%-75% by weight of pyrogenic silica, 5% to 50% by weight of electric-arc silica, 5% to 50% by weight of opacifier, wherein the electric-arc silica has a bulk density of <200 kg/m 3 , a carbon content of <0.1% by weight, an alkali metal oxide content of <0.2% by weight, an alkaline-earth metal oxide content of <0.3%, by weight, an SO 3 content of <0.05% by weight and a specific surface area of >30 m 2 /g, to produce said moldinghaving a thickness of 10 to 35 mm; andwherein each percent by weight is based upon the total weight of the thermal insulation molding. 4. The process of claim 3,wherein the thickness of the molding is from 10 to 15 mm. 5. The process of claim 3, further comprisingheating the molding at a temperature of 500° C. to 980° C. 6. The process of claim 3,wherein the electric-arc silica has a bulk density of 70 kg/m 3 to 190 kg/m 3 , a carbon content of 0% to 0.05% by weight, an alkali metal oxide content of 0.02% to 0.18% by weight, an alkaline-earth metal oxide content of 0.05% to <0.3% by weight, an SO 3 content of 0% to <0.05% by weight and a specific surface area of >30 to 48 m 2 /g; andwherein each percent by weight is based upon the total weight of the thermal insulation molding. 7. In a method for providing a thermally insulating shaped part in radiation heating units for heating a plate, the improvement which comprises,utilizing the thermal insulation molding as claimed in claim 1, as said thermally insulating shaped part in said radiation heating units for heating the plate. 8. In a method for providing a thermally insulating shaped part in radiation heaters for furnaces or ovens, the improvements which comprises,utilizing the thermal insulating molding as claimed in claim 1, as said thermally insulating shaped part in said radiation heaters for furnaces or ovens. 9. In a method for providing a thermally insulating shaped part in heating radiators, the improvement which comprises,utilizing the thermal insulation molding as claimed in claim 1, as said thermally insulating shaped part in said heating radiators. 10. In a method for providing a thermally insulating shaped part in halogen radiators, the improvement which comprises,utilizing the thermal insulation molding as claimed in claim 1, as said thermally insulating shaped part in said halogen radiators. 11. In a method for providing a thermally insulating shaped part at temperatures up to 1200° C. which are operated with high heat-up rates >100 K/min, the improvement which comprises,utilizing the thermal insulation mold ing as claimed in claim 1, as said thermally insulation shaped part at temperatures up to 1200° C. which are operated with high heat-up rates >100 K/min.
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