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    • 3. 发明公开
    • Method for cyclically preparing titanium sponge and coproducing sodium cryolite using sodium fluotitanate as intermediate material
    • 一种用于海绵钛和同时生产冰晶石钠与Natriumfluotitanat的环状制备作为中间材料的方法
    • EP2631309A1
    • 2013-08-28
    • EP12195384.8
    • 2012-12-04
    • Shenzhen Sunxing Light Alloys Materials Co., Ltd
    • Chen, XueminYu, YuemingYe, QingdongYang, JunZhou, ZhiChen, Xinyi
    • C22B34/12
    • C22B34/12C01D3/02C22B34/1277Y02P10/212
    • The disclosure discloses a method for cyclically preparing titanium sponge and coproducing sodium cryolite using sodium fluotitanate as an intermediate material, which includes the following steps: A) adding hydrofluoric acid to titaniferous iron concentrate to enable a reaction to form fluotitanic acid; B) adding sodium carbonate and sodium hydroxide to the fluotitanic acid to enable a reaction to form the sodium fluotitanate; C) putting the sodium fluotitanate into a reactor, adding aluminium to react with the sodium fluotitanate to form the titanium sponge and sodium cryolite; or, putting the aluminium into the reactor, adding the sodium fluotitanate to react with the aluminium to form the titanium sponge and sodium cryolite; D) extracting the sodium cryolite and sending it to a rotary reaction kettle together with concentrated sulphuric acid to enable a reaction to form hydrogen fluoride gas and sodium sulphate, aluminium sodium sulphate; collecting the hydrogen fluoride gas and dissolving it into water to obtain a hydrofluoric acid solution; E) recycling the obtained hydrofluoric acid to Step A to leach the titaniferous iron concentrate. The disclosure can recycle the coproduct sodium cryolite, thereby shortening the process of preparing titanium sponge, reducing the comprehensive cost of production, improving the production efficiency and reducing environmental pollution.
    • 本公开盘松的方法用于循环制备海绵钛以及使用fluotitanate钠作为中间材料,其包括以下步骤联产钠冰晶石:A)加入氢氟酸以含钛铁精矿,以使反应以形成氟钛酸; B)加入碳酸钠和氢氧化钠的氟钛酸,以使一个反应形成fluotitanate钠; C)把fluotitanate钠到反应器中,添加铝与fluotitanate钠反应以形成海绵钛和钠冰晶石; 或者,把铝进入反应器,加入钠fluotitanate到与铝反应以形成所述海绵钛和钠冰晶石; D)提取钠冰晶石和其与浓硫酸一起发送到旋转式反应釜中,以使反应形成氟化氢气体和硫酸钠,硫酸铝钠; 收集氟化氢气体,并将其溶解在水中以获得氢氟酸溶液; E)回收获得的步骤A到浸出含钛的铁精矿的氢氟酸。 本发明可以回收副产物冰晶石钠,从而缩短准备海绵钛,降低了生产成本全面,提高生产效率和减少环境污染的过程。
    • 8. 发明公开
    • Cyclic preparation method for producing titanium boride from intermediate feedstock potassium-based titanium-boron-fluorine salt mixture and producing potassium cryolite as byproduct
    • 用于生产CYCLIC硼化物从中间输出物质,关于钾BASED TITANBORFLUORSALZMISCHUNG基和MANUFACTURING钾冰晶石AS-PRODUCT
    • EP2636645A1
    • 2013-09-11
    • EP12195401.0
    • 2012-12-04
    • Shenzhen Sunxing Light Alloys Materials Co., Ltd
    • Chen, XueminYu, YuemingYe, QingdongYang, JunZhou, Zhi
    • C01B35/04C01B35/06
    • C01B35/04C01D5/00C01F7/34C01F7/428C01F7/54C01G23/00C25C3/18
    • The invention discloses a cyclic preparation method for producing titanium boride from intermediate feedstock potassium-based titanium-boron-fluorine salt mixture and producing potassium cryolite as byproduct, which comprises the steps: a) boric acid or boric anhydride is added with hydrofluoric acid and then with potassium sulfate for reaction to generate potassium fluoborate; titanium-iron concentrate is added with hydrofluoric acid and then with potassium sulfate for reaction to generate potassium fluotitanate; B) the potassium fluoborate is mixed with the potassium fluotitanate, and the mixture reacts with aluminum to generate titanium boride and potassium cryolite; C) the potassium cryolite is sucked out and then fed into a rotary reaction kettle together with concentrated sulfuric acid, hydrogen fluoride gas as well as potassium sulfate and potassium aluminum sulfate are generated by reaction in the rotary reaction kettle, and the hydrogen fluoride gas is collected and then dissolved in water to obtain hydrofluoric acid aqueous solution; and D) the obtained hydrofluoric acid aqueous solution and potassium sulfate aqueous solution are recycled. The invention can achieve the recycling of the byproduct potassium cryolite, simplify the process flow in the preparation of titanium boride, lower the process condition and comprehensive production cost in the preparation of titanium boride, improve the production efficiency and reduce the pollution to environment.
    • 本发明盘松动循环的制备方法用于从中间原料基于钾的钛 - 硼 - 氟盐混合物生产硼化钛和生产钾冰晶石作为副产物,该方法包括以下步骤:a)硼酸或硼酸酐中加入氢氟酸,然后 与硫酸进行反应,生成氟硼酸钾钾; 钛 - 铁精矿中加入氢氟酸,然后用硫酸钾进行反应,以产生氟钛酸钾; B)的氟硼酸钾与氟钛酸钾混合,并将该混合物与铝生成硼化钛和钾冰晶石发生反应; C)的钾冰晶石被吸出,然后用浓硫酸,氟化氢气体以及硫酸钾和硫酸铝钾加入到旋转反应釜在一起是通过在旋转式反应釜中反应而生成,以及氟化氢气体是 收集,然后在水中溶解,以获得氢氟酸溶液wässrige; 和D)的氢氟酸获得wässrige溶液和硫酸钾wässrige溶液被回收。 本发明可以实现副产物钾冰晶石的再循环,在简化硼化钛的制备中的处理流程,降低硼化钛的制备工艺条件和全面的生产成本,提高生产效率和减少污染环境。
    • 10. 发明公开
    • Method for cyclically preparing titanium sponge and coproducing potassium cryolite using potassium fluotitanate as intermediate material
    • 一种用于海绵钛和同时生产钾冰晶石与Kaliumfluotitanat的环状制备作为中间材料的方法
    • EP2631310A1
    • 2013-08-28
    • EP12195385.5
    • 2012-12-04
    • Shenzhen Sunxing Light Alloys Materials Co., Ltd
    • Chen, XueminYu, YuemingYe, QingdongYang, JunZhou, ZhiChen, Xinyi
    • C22B34/12
    • C22B34/12C01D3/02C01F7/54C22B34/1277Y02P10/212
    • The disclosure discloses a method for cyclically preparing titanium sponge and coproducing potassium cryolite using potassium fluotitanate as an intermediate material, which includes the following steps: A) adding hydrofluoric acid to titaniferous iron concentrate to enable a reaction to form fluotitanic acid; B) adding potassium sulphate to the fluotitanic acid to enable a reaction to form the potassium fluotitanate; C) putting the potassium fluotitanate into a reactor, adding aluminium to react with the potassium fluotitanate to form the titanium sponge and potassium cryolite; or, putting the aluminium into the reactor, adding the potassium fluotitanate to react with the aluminium to form the titanium sponge and potassium cryolite; D) extracting the potassium cryolite and sending it to a rotary reaction kettle together with concentrated sulphuric acid to enable a reaction to form hydrogen fluoride gas and potassium sulphate, aluminium potassium sulphate; collecting the hydrogen fluoride gas and dissolving it into water to obtain a hydrofluoric acid aqueous solution; E) recycling the obtained hydrofluoric acid aqueous solution to Step A to leach the titaniferous iron concentrate. The disclosure can recycle the coproduct potassium cryolite, thereby shortening the process of preparing titanium sponge, reducing the comprehensive cost of production, improving the production efficiency and reducing environmental pollution.
    • 本公开盘松的方法用于循环制备海绵钛以及使用氟钛酸钾,以中间材料,其包括以下步骤联产钾冰晶石:A)加入氢氟酸以含钛铁精矿,以使反应以形成氟钛酸; B)加入硫酸钾到氟钛酸,以使反应以形成氟钛酸钾; C)把氟钛酸钾到反应器中,添加铝与氟钛酸钾反应以形成海绵钛和钾冰晶石; 或者,把铝进入反应器中,添加氟钛酸钾,以与铝反应以形成所述海绵钛和钾冰晶石; D)提取的钾冰晶石,并将其与浓硫酸一起发送到旋转式反应釜中,以使反应形成氟化氢气体和硫酸钾,硫酸铝钾; 收集氟化氢气体,并将其溶解在水中以获得氢氟酸溶液wässrige; E)回收氢氟酸获得wässrige溶液至步骤a浸出含钛的铁精矿。 本发明可以回收副产物钾冰晶石,从而缩短准备海绵钛,降低了生产成本全面,提高生产效率和减少环境污染的过程。