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1.发明申请SODIUM CRYOLITE FOR ALUMINUM ELECTROLYSIS INDUSTRY AND PREPARATION METHOD THEREOF 审中-公开用于铝电解工业的钠球墨铸铁及其制备方法公开(公告)号：US20130112570A1
公开(公告)日：2013-05-09
申请号：US13709028
申请日：2012-12-09
发明人： Xuemin CHEN , Jun YANG , Zhihong LI , Weiping WU
IPC分类号： C01F7/54
摘要： The invention provides a sodium cryolite for aluminum electrolysis industry, which has a molecular formula: mNaF.AlF3, wherein m is from 1 to 1.5. The low-molecular-ratio sodium cryolite (mNaF.AlF3, and m is from 1 to 1.5) provided by the invention is used for aluminum electrolysis industry, and can reduce the temperature of electrolysis and the consumption of power, raise the efficiency of electrolysis and lower the comprehensive production cost.
摘要翻译： 本发明提供一种铝电解工业用钠冰晶石，其具有分子式：mNaF.AlF3，其中m为1〜1.5。 本发明提供的低分子比钠冰晶石（mNaF.AlF3，m为1〜1.5）用于铝电解工业，可以降低电解温度和电力消耗，提高电解效率 降低综合生产成本。
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2.发明申请METHOD FOR CYCLICALLY PREPARING MONOMER BORON AND COPRODUCING SODIUM CRYOLITE USING SODIUM FLUOBORATE AS INTERMEDIATE MATERIAL 失效周期性制备单体硼的方法和使用氟化钠作为中间材料制备钠铬酸盐公开(公告)号：US20130095024A1
公开(公告)日：2013-04-18
申请号：US13709009
申请日：2012-12-09
发明人： Xuemin CHEN , Yueming YU , Qingdong YE , Jun YANG , Zhi ZHOU
IPC分类号： C01B35/02
CPC分类号： C01B35/023 , B82Y30/00 , B82Y40/00 , C01B32/50 , C01B35/06 , C01F7/54 , C01F7/762 , C25C3/18
摘要： A method for cyclically preparing monomer boron and coproducing sodium cryolite using sodium fluoborate as an intermediate material, which includes the following steps: A) adding hydrofluoric acid to boric acid or boron oxide to enable a reaction to form fluoboric acid; B) adding a sodium carbonate aqueous solution to the fluoboric acid to enable a reaction to form the sodium fluoborate; C) putting the sodium fluoborate into a reactor, adding aluminium to react with the sodium fluoborate to form the monomer boron and sodium cryolite; D) extracting the sodium cryolite, sending the sodium cryolite to a rotary reaction kettle together with concentrated sulphuric acid to enable a reaction to form hydrogen fluoride gas and aluminium sodium sulphate, collecting the hydrogen fluoride gas and dissolving it into water to obtain the hydrofluoric acid; E) recycling the obtained hydrofluoric acid to Step A to leach the boric acid or boron oxide.
摘要翻译： 使用氟硼酸钠作为中间体循环制备单体硼和共同生产钠冰晶石的方法，其包括以下步骤：A）将氢氟酸加入到硼酸或氧化硼中以使反应形成氟硼酸; B）向氟硼酸中加入碳酸钠水溶液使反应生成氟硼酸钠; C）将氟硼酸钠放入反应器中，加入铝与氟硼酸钠反应形成单体硼和钠冰晶石; D）提取钠冰晶石，将钠冰晶石与浓硫酸一起送入旋转反应釜，使反应生成氟化氢气体和硫酸铝钠，收集氟化氢气体并将其溶于水中，得到氢氟酸 ; E）将获得的氢氟酸循环到步骤A以浸出硼酸或氧化硼。
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公开(公告)号：US20230043273A1
公开(公告)日：2023-02-09
申请号：US17793416
申请日：2020-05-28
发明人： Xuemin CHEN , Ronald Ray DUCKWORTH , Yueming YU , Qingchao WANG
摘要： Disclosed are a manganese-aluminum alloy and its preparation method. The manganese-aluminum alloy comprises, by weight, 5% to 90% of manganese and the balance of aluminum. The method comprises: adding metal aluminum or molten aluminum to a container, the temperature of the molten aluminum being between 700° C. and 800° C.; adding a metal manganese raw material to the molten aluminum, closing a furnace cover, measuring the pressure, and introducing argon to ensure that the interior of a magnetic induction furnace is in a positive-pressure state, and stirring the mixture with a graphite stirring head; powering on and heating the metal aluminum or the molten aluminum to 1000° C. or above, melting, and holding the temperature between 1000° C. and 1500° C.; and after alloying is completed, cooling to 850° C. or below, opening the furnace cover, and taking a manganese-aluminum alloy out.
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4.发明申请公开(公告)号：US20130095023A1
公开(公告)日：2013-04-18
申请号：US13708959
申请日：2012-12-08
发明人： Xuemin CHEN , Yueming YU , Qingdong YE , Jun YANG , Zhi ZHOU
IPC分类号： C01B35/02
CPC分类号： C01B35/023 , C01B35/066 , C01F7/34 , C01F7/54
摘要： A method for cyclically preparing monomer boron and coproducing potassium cryolite using potassium fluoborate as an intermediate material, which includes following steps: A) adding hydrofluoric acid to boric acid or boron oxide to enable a reaction to form fluoboric acid; B) adding a potassium sulphate aqueous solution to the fluoboric acid to enable a reaction to form the potassium fluoborate; C) putting the potassium fluoborate into a reactor, adding aluminium to react with the potassium fluoborate to form the monomer boron and potassium cryolite; D) extracting the potassium cryolite, sending the potassium cryolite to a rotary reaction kettle together with concentrated sulphuric acid to enable a reaction to form hydrogen fluoride gas and aluminium potassium sulphate, potassium sulphate, collecting the hydrogen fluoride gas and dissolving it into water to obtain the hydrofluoric acid; E) recycling the obtained hydrofluoric acid to Step A to leach the boric acid or boron oxide.
摘要翻译： 使用氟硼酸钾作为中间体循环制备单体硼并共同生产钾冰晶石的方法，其包括以下步骤：A）向硼酸或氧化硼中加入氢氟酸以使反应形成氟硼酸; B）向氟硼酸中加入硫酸钾水溶液以使其形成氟硼酸钾; C）将氟硼酸钾放入反应器中，加入铝与氟硼酸钾反应形成单体硼和钾冰晶石; D）提取钾冰晶石，将钾冰晶石与浓硫酸一起送入旋转反应釜，使反应生成氟化氢气体和硫酸铝钾，硫酸钾，收集氟化氢气体并将其溶于水中，得到 氢氟酸; E）将获得的氢氟酸循环到步骤A以浸出硼酸或氧化硼。
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公开(公告)号：US20130095022A1
公开(公告)日：2013-04-18
申请号：US13709025
申请日：2012-12-09
发明人： Xuemin CHEN , Jun YANG , Zhihong LI , Weiping WU
IPC分类号： C01B35/04
摘要： The invention provides a preparation process of transition metal boride, comprising the following steps: A) aluminum is put in a reactor, inert gas is fed into the reactor after evacuation, the reactor is heated up to 700 to 800° C. and then added with dry potassium fluoborate or sodium fluoborate, monomer boron and cryolite are generated by rapid stirring and reaction for 4 to 6 hours, and the molten liquid at the upper layer is sucked out and the monomer boron is obtained by means of separation; and B) the obtained monomer boron is added with transition metal for reaction at the temperature from 1800 to 2200° C. in order to generate corresponding transition metal boride.
摘要翻译： 本发明提供了一种过渡金属硼化物的制备方法，包括以下步骤：A）将铝放入反应器中，抽真空后将惰性气体送入反应器中，将反应器加热至700至800℃，然后加入 用干燥的氟硼酸钾或氟硼酸钠，通过快速搅拌反应4至6小时产生单体硼和冰晶石，吸出上层熔融液，通过分离获得单体硼; 和B）所得单体硼在1800-2200℃的温度下加入反应过渡金属，以产生相应的过渡金属硼化物。
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6.发明申请公开(公告)号：US20130095020A1
公开(公告)日：2013-04-18
申请号：US13708961
申请日：2012-12-08
发明人： Xuemin CHEN , Yueming YU , Qingdong YE , Jun YANG , Zhi ZHOU
IPC分类号： C01B35/04
摘要： A cyclic preparation method for producing titanium boride from intermediate feedstock sodium-based titanium-boron-fluorine salt mixture and producing sodium cryolite as byproduct, which comprises the steps: a) boric acid or boric anhydride is added with hydrofluoric acid and then with sodium carbonate solution for concentration and crystallization to generate sodium fluoborate; titanium-iron concentrate is added with hydrofluoric acid and then with sodium carbonate and sodium hydroxide to obtain sodium fluotitanate; B) the sodium fluoborate is mixed with the sodium fluotitanate, and the mixture reacts with aluminum to generate titanium boride and sodium cryolite; C) the sodium cryolite is sucked out and then fed into a rotary reaction kettle together with concentrated sulfuric acid, hydrogen fluoride gas as well as sodium sulfate and sodium 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 is recycled.
摘要翻译： 一种从中间体原料钠基钛硼氟盐混合物制备钛硼化物并生产作为副产物的冰晶石钠的循环制备方法，其包括以下步骤：a）向硼酸或硼酸酐中加入氢氟酸，然后加入碳酸钠 浓度和结晶溶液产生氟硼酸钠; 加入铁 - 铁精矿，加入氢氟酸，然后加入碳酸钠和氢氧化钠，得到氟钛酸钠; B）氟硼酸钠与氟钛酸钠混合，混合物与铝反应产生硼化钛和钠冰晶石; C）将冰晶石钠吸出，然后与浓硫酸一起进料到旋转反应釜中，通过在旋转反应釜中反应产生氟化氢气体以及硫酸钠和硫酸铝钠，氟化氢气体为 收集，然后溶于水，得到氢氟酸水溶液; 和D）将所得氢氟酸水溶液再循环。
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公开(公告)号：US20140134090A1
公开(公告)日：2014-05-15
申请号：US14160661
申请日：2014-01-22
发明人： Xuemin CHEN , Jun YANG , Zhihong LI , Weiping WU
IPC分类号： C01B35/04
摘要： The invention provides a preparation process of transition metal boride, comprising the following steps: A) aluminum is put in a reactor, inert gas is fed into the reactor after evacuation, the reactor is heated up to 700 to 800° C. and then added with dry potassium fluoborate or sodium fluoborate, monomer boron and cryolite are generated by rapid stirring and reaction for 4 to 6 hours, and the molten liquid at the upper layer is sucked out and the monomer boron is obtained by means of separation; and B) the obtained monomer boron is added with transition metal for reaction at the temperature from 1800 to 2200° C. in order to generate corresponding transition metal boride.
摘要翻译： 本发明提供了一种过渡金属硼化物的制备方法，包括以下步骤：A）将铝放入反应器中，抽真空后将惰性气体送入反应器中，将反应器加热至700至800℃，然后加入 用干燥的氟硼酸钾或氟硼酸钠，通过快速搅拌反应4至6小时产生单体硼和冰晶石，吸出上层熔融液，通过分离获得单体硼; 和B）所得单体硼在1800-2200℃的温度下加入反应过渡金属，以产生相应的过渡金属硼化物。
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8.发明申请公开(公告)号：US20130098207A1
公开(公告)日：2013-04-25
申请号：US13708955
申请日：2012-12-08
发明人： Xuemin CHEN , Yueming YU , Qingdong YE , Jun YANG , Zhi ZHOU , Xinyi CHEN
CPC分类号： C22B34/12 , C01D3/02 , C01F7/54 , C22B34/1277 , Y02P10/212
摘要： 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; 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.
摘要翻译： 使用氟钛酸钾作为中间体循环制备钛海绵和共生产冰晶石的方法，其包括以下步骤：A）向含钛铁精矿加入氢氟酸以使反应形成氟钛酸; B）向氟钛酸中加入硫酸钾以使反应形成氟钛酸钾; C）将氟钛酸钾放入反应器中，加入铝与氟钛酸钾反应形成海绵钛和冰晶石; D）萃取钾冰晶石，并与浓硫酸一起送入旋转反应釜，使反应生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，得到氢氟酸水溶液; E）将获得的氢氟酸水溶液循环到步骤A以浸提含铁铁精矿。
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9.发明申请公开(公告)号：US20130092551A1
公开(公告)日：2013-04-18
申请号：US13709022
申请日：2012-12-09
发明人： Xuemin CHEN , Jun YANG , Zhihong LI , Weiping WU
IPC分类号： C25C3/18
摘要： The disclosure provides an electrolyte supplement system in an aluminium electrolysis process, which includes low-molecular-ratio cryolite, wherein the low-molecular-ratio cryolite is selected from mKF.AlF3, nNaF.AlF3 or mixture thereof, where m=1˜1.5 and n=1˜1.5. When the electrolyte supplement system provided by the disclosure is applied to the aluminium electrolytic industry, electrolytic temperature can be reduced obviously in the aluminium electrolysis process without changing the existing electrolytic process; thus, power consumption is reduced, volatilization loss of fluoride is reduced and the comprehensive cost of production is reduced.
摘要翻译： 本公开提供了一种铝电解方法中的电解质补充体系，其包括低分子比冰晶石，其中低分子比冰晶石选自mKF.AlF3，nNaF.AlF3或其混合物，其中m = 1〜1.5 n = 1〜1.5。 当本公开提供的电解质补充体系应用于铝电解工业时，铝电解过程中的电解温度可以明显降低，而不改变现有的电解过程; 因此，功耗降低，氟化物的挥发损失降低，综合生产成本降低。
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10.发明申请LOW-MOLECULAR-RATIO CRYOLITE FOR ALUMINIUM ELECTROLYTIC INDUSTRY AND METHOD FOR PREPARING THE SAME 有权铝电解工业的低分子量CRYOLITE及其制备方法公开(公告)号：US20130092550A1
公开(公告)日：2013-04-18
申请号：US13709011
申请日：2012-12-09
发明人： Xuemin CHEN , Jun YANG , Zhihong LI , Weiping WU
IPC分类号： C25C3/18
摘要： The disclosure provides low-molecular-ratio cryolite for aluminium electrolytic industry, which consists of potassium cryolite and sodium cryolite with a mole ratio of 1:1˜1:3, wherein the molecular formula of the potassium cryolite is mKF.AlF3 and the molecular formula of the sodium cryolite is nNaF.AlF3, where m=1˜1.5 and n=1˜1.5. When the low-molecular-ratio cryolite provided by the disclosure is applied to the aluminium electrolytic industry, electrolytic temperature and power consumption can be reduced and electrolytic efficiency is improved.
摘要翻译： 本公开提供了铝电解工业的低分子比冰晶石，其由冰晶石钾和冰晶石钠组成，摩尔比为1：1〜1：3，其中钾冰晶石的分子式为mKF.AlF3和分子 钠冰晶石的配方是nNaF.AlF3，其中m = 1〜1.5，n = 1〜1.5。 当本公开提供的低分子比冰晶石应用于铝电解工业时，可以降低电解温度和功率消耗，并提高电解效率。
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