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    • 5. 发明授权
    • Method for the production of mineral wool
    • 生产矿棉的方法
    • US5601628A
    • 1997-02-11
    • US211171
    • 1994-08-02
    • Jean BattigelliGuy BerthierHans FurtakDaniel Sainte-Foi
    • Jean BattigelliGuy BerthierHans FurtakDaniel Sainte-Foi
    • B28B1/00C03B37/00C03B37/04C03C13/06D01D5/08D01F9/08
    • C03B37/045C03B37/048
    • Mineral material, particularly of the basalt type, is fiberized by internal centrifuging in a spinner having a peripheral wall with a plurality of orifices. A heated gas flow attenuates into fibers the filament cones emanating from the orifices. To produce mineral wool with good fiber fineness and largely free of unfiberized particles, the length of the filament cones and the configuration of the heated gas flows generated around the spinner are adjusted so that the majority of the filament cones emanating from the spinner orifices intersects the isotherm corresponding to a viscosity of 100 poises to enter into a zone cooled down to a temperature corresponding to a viscosity of more than 100 poises. The configuration of the heated gas flow is produced by an annular external burner in conjunction with an annular external blower that produces jets of cool air. The cool air brings low-temperature isotherms in close vicinity to the peripheral wall of the spinner. This enables the tips of the filament cones to reach into a cool zone, thereby increasing the viscosity at the tip of the filament cones to avoid breakage of the filament cones to be attenuated.
    • PCT No.PCT / EP92 / 01915 Sec。 371日期:1994年8月20日 102(e)日期1994年8月2日PCT提交1992年8月20日PCT公布。 出版物WO94 / 04469 日期1994年3月3日特别是玄武岩型的矿物材料通过在具有多个孔的周壁的旋转器中进行内部离心而被纤维化。 加热的气体流动衰减成从孔中发出的长丝锥体的纤维。 为了生产具有良好纤维细度并且很大程度上没有未纤维化颗粒的矿棉,调节长丝锥体的长度和在旋转器周围产生的加热气体流动的构型,使得从旋转孔发出的大部分长丝锥与 等温线对应于100泊的粘度进入冷却至对应于大于100泊的粘度的温度的区域。 加热气体流动的结构通过环形外部燃烧器与产生冷空气喷射的环形外部鼓风机一起产生。 冷空气使低温等温线靠近旋转器的周壁。 这使得长丝锥的尖端能够进入冷却区域,从而增加了丝锥顶部的粘度,以避免长丝锥体被破坏。
    • 8. 发明授权
    • Method for producing mineral wool
    • 矿棉生产方法
    • US5554324A
    • 1996-09-10
    • US215650
    • 1994-03-18
    • Jean L. BernardSerge VignesoultJean BattigelliGuy BerthierHans Furtak
    • Jean L. BernardSerge VignesoultJean BattigelliGuy BerthierHans Furtak
    • C03B37/00C03B37/04C03B37/095C03C13/06C03C25/00C22C32/00D01D5/08D01F9/08B29B9/00
    • C03B37/048C03B37/045C03B37/047C03C13/06C22C32/0026
    • A method for producing mineral wool of a material which is highly fluid at an elevated liquidus temperature in particular above 1,200.degree. C., with a viscosity of less than 5,000 poises at liquidus temperature, is proposed wherein the molten mineral material, after having destroyed all nuclei of crystallization, is supplied into a spinner (1') the peripheral wall (19) of which comprises a multiplicity of orifices with small diameters wherethrough said molten material is centrifuged to form filaments which, in a given case, are subjected to a supplementary attenuating effect of a preferably hot gas flow flowing along said peripheral wall (19) of said spinner (1') and generated by a concentric annular external burner (13). If fiberization of such a material is effected in the traditional way, a great proportion of unfiberized particles in the product will result. To avoid this, the spinner temperature in ongoing, continuous operation is maintained at a balanced value which is lower than or equal to the temperature at which the viscosity of the molten mineral material is 100 poises, and higher than the crystallization temperature in undercooled state of said material to be fiberized.
    • PCT No.PCT / EP92 / 01914 Sec。 371日期:1994年7月20日 102(e)日期1995年7月20日PCT提交1992年8月20日PCT公布。 公开号WO94 / 04468 日期1994年3月3日提出了一种在液相线高温特别高于1200℃下高度流动的材料的矿棉方法,其在液相线温度下的粘度小于5,000泊,其中熔融矿物材料 在破坏所有结晶核之后,将其供给到旋转器(1')中,其周壁(19)包括多个孔径小的孔,通过所述熔融材料离心形成长丝,在特定情况下, 受到沿着所述旋转器(1')的所述周壁(19)流动并由同心环形外部燃烧器(13)产生的优选热气流的辅助衰减效果。 如果这种材料的纤维化是以传统的方式实现的,那么产品中将会产生很大比例的无纤维颗粒。 为了避免这种情况,正在进行的连续操作中的旋转器温度保持在低于或等于熔融矿物材料的粘度为100泊的温度的平衡值,并且高于在过冷状态下的结晶温度 所述待纤维化的材料。