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    • 1. 发明授权
    • Zinc lignosulfonate stabilizing binder solution for magnesium oxide refractory forming mixtures and method
    • 锌木质素磺酸锌稳定粘合剂溶液用于氧化镁耐火成型混合物及方法
    • US3923532A
    • 1975-12-02
    • US51643774
    • 1974-10-21
    • AMERICAN CAN CO
    • MORMAN FRANK C
    • C04B35/043C04B35/047C04B35/632C04B35/04C04B35/12
    • C04B35/047C04B35/043C04B35/6325
    • Refractory shapes containing magnesium oxide are pressed from a refractory forming mixture which consists of particulate refractory material containing magnesium oxide and a binder solution of zinc lignosulfonate in water. The use of zinc lignosulfonate in solution as a binder stabilizes the refractory forming mixture, to substantially prevent the loss of density of refractory shapes as the refractory forming mixture ages. Zinc may alternatively be provided in the binder solution by adding a zinc compound to a binder solution composed of water and lignosulfonate salt, the zinc compound dissociating in solution to provide zinc ions. A refractory forming mixture is prepared by mixing zinc lignosulfonate, water, and particulate refractory material containing magnesium oxide, or by mixing a lignosulfonate salt, water, a zinc compound which dissociates in solution to provide zinc ions, and particulate refractory material containing magnesium oxide.
    • 包含氧化镁的耐火形状由耐火成形混合物压制,其由含有氧化镁的颗粒耐火材料和木质素磺酸锌粘合剂溶液在水中组成。 在溶液中使用木素磺酸锌作为粘合剂使耐火成型混合物稳定,从而基本上防止耐火材料成型混合物老化时耐火材料形状的密度损失。 可以通过将锌化合物添加到由水和木质素磺酸盐组成的粘合剂溶液中,锌溶液中的锌化合物在溶液中解离以提供锌离子,也可以在粘合剂溶液中提供锌。 通过混合木质素磺酸锌,水和含有氧化镁的颗粒耐火材料,或通过混合木质素磺酸盐,水,在溶液中解离以提供锌离子的锌化合物和含有氧化镁的颗粒耐火材料来制备耐火成型混合物。