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    • 5. 发明授权
    • Apparatus for making red phosphorus
    • 制备红磷的装置
    • US4330504A
    • 1982-05-18
    • US226468
    • 1981-01-19
    • Klaus LehrGero HeymerHans-Werner StephanUrsus Thummler
    • Klaus LehrGero HeymerHans-Werner StephanUrsus Thummler
    • B01J8/10B01J19/28B02C17/00C01B25/02C01B25/023
    • C01B25/023
    • The invention relates to an apparatus for making red phosphorus by subjecting molten yellow phosphorus to a thermal conversion reaction in a closed reaction zone. To this end, a hollow shaft-provided and closed ball mill is preheated to a reaction temperature within the range 280.degree. to 590.degree. C. Yellow phosphorus is continuously introduced into the ball mill through the hollow shaft in quantities per unit time which permit the reaction temperature prevailing inside the ball mill to be maintained without supply of heat from the outside. More particularly, decreasing quantities of yellow phosphorous are introduced per unit time at increasing temperature and increasing quantities of yellow phosphorus are introduced per unit time at decreasing temperature within the limits specified. Red phosphorus is allowed to cool inside the ball mill, water is poured over it and the whole is subjected to wet-grinding. An aqueous suspension of red phosphorus is finally removed from the ball mill.
    • 本发明涉及一种通过使熔融黄磷在封闭反应区中进行热转化反应来制备红磷的装置。 为此,空心轴提供和封闭的球磨机被预热到280℃至590℃的反应温度。黄磷通过空心轴以每单位时间的量连续地引入球磨机,这允许 球磨机内部的反应温度保持不受外界的热量的限制。 更特别地,在增加的温度下每单位时间引入黄磷的量减少,并且在规定的限度内在逐渐降低的温度下每单位时间引入增加量的黄磷。 使红磷在球磨机内冷却,将水倒在其上,整体进行湿磨。 最终从球磨机中除去红磷水悬浮液。
    • 10. 发明授权
    • Process for making red phosphorus
    • 制造红磷的工艺
    • US4273752A
    • 1981-06-16
    • US123106
    • 1980-02-20
    • Klaus LehrGero HeymerHans-Werner StephanUrsus Thummler
    • Klaus LehrGero HeymerHans-Werner StephanUrsus Thummler
    • B01J8/10B01J19/28B02C17/00C01B25/02C01B25/023C01B25/01C01B25/04
    • C01B25/023
    • The invention relates to a process for making red phosphorus by subjecting molten yellow phosphorus to a thermal conversion reaction in a closed reaction zone. To this end, a hollow shaft-provided and closed ball mill is preheated to a reaction temperature within the range 280.degree. to 590.degree. C. Yellow phosphorus is continuously introduced into the ball mill through the hollow shaft in quantities per unit time which permit the reaction temperature prevailing inside the ball mill to be maintained without supply of heat from the outside. More particularly, decreasing quantities of yellow phosphorus are introduced per unit time at increasing temperature and increasing quantities of yellow phosphorus are introduced per unit time at decreasing temperature within the limits specified. Red phosphorus is allowed to cool inside the ball mill, water is poured over it and the whole is subjected to wet-grinding. An aqueous suspension of red phosphorus is finally removed from the ball mill.
    • 本发明涉及通过使熔融黄磷在封闭反应区中进行热转化反应来制备红磷的方法。 为此,空心轴提供和封闭的球磨机被预热到280℃至590℃的反应温度。黄磷通过空心轴以每单位时间的量连续地引入球磨机,这允许 球磨机内部的反应温度保持不受外界的热量的限制。 更特别地,在增加的温度下每单位时间引入黄磷的减少量,并且在规定的限度内在降低的温度下每单位时间引入增加量的黄磷。 使红磷在球磨机内冷却,将水倒在其上,整体进行湿磨。 最终从球磨机中除去红磷水悬浮液。