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    • 1. 发明申请
    • PROCESS FOR PRODUCING SPONGE TITANIUM
    • 生产海绵钛的工艺
    • US20120304825A1
    • 2012-12-06
    • US13585717
    • 2012-08-14
    • Xuemin CHENJun YANGZhi ZHOU
    • Xuemin CHENJun YANGZhi ZHOU
    • C22B9/02
    • C22B34/1277C22B34/1272
    • The present invention provides a process for producing sponge titanium, which includes the following steps: Step A: placing aluminum into a resistance furnace, vacuum pumping, introducing inert gas, heating to molten aluminum; Step B: opening a reactor cover, adding a proper amount of potassium fluotitanate to a reactor, leakage detecting after closing the reactor cover, slowly raising the temperature to 150° C., vacuum pumping, and continuously heating to 250° C.; Step C: introducing inert gas into the reactor, continuously raising the temperature to 750° C., stirring uniformly; Step D: opening a valve to adjust the stirring speed, adding molten aluminum drops, and controlling the reaction temperature to 750° C. to 850° C.; Step E: opening the reactor cover, removing a stirring device, eliminating the upper layer of KAlF4 to obtain sponge titanium. The present invention has the beneficial effects of short process flow, low cost, environmental protection and harmlessness.
    • 本发明提供一种生产海绵钛的方法,其包括以下步骤:步骤A:将铝放入电阻炉中,真空泵送,引入惰性气体,加热至熔融铝; 步骤B:打开反应器盖,向反应器中加入适量的氟钛酸钾,关闭反应器盖后进行泄漏检测,缓慢升温至150℃,真空泵送,并连续加热至250℃。 步骤C:将惰性气体引入反应器,将温度持续升至750℃,均匀搅拌; 步骤D:打开阀门以调节搅拌速度,加入熔融的铝滴,并将反应温度控制在750℃至850℃; 步骤E:打开反应器盖,取出搅拌装置,取出上层的KAlF4,得到海绵钛。 本发明具有工艺流程短,成本低,环保和无害化的有益效果。
    • 2. 发明申请
    • TECHNOLOGICAL METHOD FOR PREPARING SPONGE TITANIUM FROM SODIUM FLUOTITANATE RAW MATERIAL
    • 从氟化钠原料制备海绵钛的技术方法
    • US20120304824A1
    • 2012-12-06
    • US13585783
    • 2012-08-14
    • Xuemin CHENJun YANGZhi ZHOU
    • Xuemin CHENJun YANGZhi ZHOU
    • C22B5/00
    • C22B34/1277C22B34/1272
    • The invention provides a technological method for preparing sponge titanium from sodium fluotitanate raw material, comprising the following steps: step A: placing aluminum in an airtight resistance furnace, evacuating, introducing inert gas into the resistance furnace, and heating the aluminum to obtain molten aluminum; step B: opening a reactor cover, adding a proper amount of sodium fluotitanate into the reactor, closing the reactor cover, detecting leakage, slowly heating the reactor to 150° C., evacuating and continuously heating the reactor to 250° C.; step C: introducing inert gas into the reactor, continuously heating the reactor to 900° C., and stirring uniformly; step D: opening a valve, adjusting the stirring speed, dripping the molten aluminum, and controlling the temperature of reaction in a range from 900 to 1000° C.; and step E: opening the reactor cover, removing a stirring device out of the reactor, and eliminating NaAlF4 at upper layer to obtain sponge titanium.
    • 本发明提供了一种由氟钛酸钠原料制备海绵钛的技术方法,包括以下步骤:步骤A:将铝放置在密封电阻炉中,抽真空,将惰性气体引入电阻炉,并加热铝以获得熔融铝 ; 步骤B:打开反应器盖,向反应器中加入适量的氟钛酸钠,关闭反应器盖,检测泄漏,将反应器缓慢加热至150℃,抽空并连续加热反应器至250℃。 步骤C:将惰性气体引入反应器,将反应器连续加热至900℃,均匀搅拌; 步骤D:打开阀门,调节搅拌速度,滴入熔融铝,并将反应温度控制在900至1000℃的范围内。 步骤E:打开反应器盖,从反应器中取出搅拌装置,除去上层的NaAlF4,得到海绵钛。
    • 4. 发明申请
    • METHOD FOR PREPARING SPONGE TITANIUM FROM POTASSIUM FLUOTITANATE BY ALUMINOTHERMIC REDUCTION
    • 通过氧化铝还原从氟磷酸钙制备海绵钛的方法
    • US20120304823A1
    • 2012-12-06
    • US13585721
    • 2012-08-14
    • Xuemin CHENJun YANGZhi ZHOU
    • Xuemin CHENJun YANGZhi ZHOU
    • C22B5/00
    • C22B34/1277
    • The invention provides a method for preparing sponge titanium from potassium fluotitanate by aluminothermic reduction, comprising the following steps: a reaction step: aluminum and zinc are mixed under a vacuum state, and the mixture is then reacted with potassium fluotitanate; a distillation step: KF, AlF3 and Zn generated by reaction are distilled out under a vacuum state; and a cooling step: sponge titanium is obtained subsequent to banking cooling. The invention further provides another method for preparing sponge titanium from potassium fluotitanate by aluminothermic reduction, comprising the following steps: a reaction step: aluminum and magnesium are mixed under a vacuum argon introduction condition, and the mixture is then reacted with potassium fluotitanate; a distillation step: KF, AlF3, MgF2 and Mg generated by reaction are distilled out under a vacuum state; and a cooling step: sponge titanium is obtained subsequent to banking cooling.
    • 本发明提供了一种通过铝热还原从氟酸钾制备海绵钛的方法,包括以下步骤:反应步骤:将铝和锌在真空状态下混合,然后使该混合物与氟钛酸钾反应; 蒸馏步骤:在真空状态下蒸馏出由反应产生的KF,AlF 3和Zn; 和冷却步骤:在银行冷却之后获得海绵钛。 本发明还提供另一种通过铝热还原由氟钛酸钾制备海绵钛的方法,包括以下步骤:反应步骤:在真空氩气引入条件下将铝和镁混合,然后使该混合物与氟钛酸钾反应; 蒸馏步骤:在真空状态下蒸馏出由反应产生的KF,AlF 3,MgF 2和Mg; 和冷却步骤:在银行冷却之后获得海绵钛。