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    • 1. 发明专利
    • Electrolyte liquid supply device
    • 电解液供应装置
    • JP2011058060A
    • 2011-03-24
    • JP2009209913
    • 2009-09-11
    • Sumitomo Metal Mining Co Ltd住友金属鉱山株式会社
    • HIGUCHI HIROTAKA
    • C25C7/00
    • PROBLEM TO BE SOLVED: To provide an electrolyte liquid supply device where, even if the number of cathode boxes installed in an electrolytic tank exceeds 20 pieces, the liquid face of each cathode box can be made high one by ≥5 mm from the liquid face of the electrolytic tank, and also, the overflow of the electrolyte liquid does not occur from any cathode box. SOLUTION: The electrolyte liquid supply device is composed of: a main liquid supply pipe 1; and branched piping 2 provided at the side face of the main liquid supply pipe 1. The branched piping 2 is composed of: a liquid supply nozzle 3 provided at the side face of the main liquid supply pipe 1; a tube a4 made of a synthetic resin and inserted so as to cover the outside of the liquid supply nozzle 3; a short pipe 5 inserted into the tube a4; and a tube b6 made of a synthetic resin and inserted into the open edge on the side opposite to the liquid supply nozzle of the tube a4. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种电解液供给装置,其中即使安装在电解槽中的阴极盒的数量超过20个,每个阴极盒的液面可以由高到5mm 电解槽的液面,也不会从任何阴极盒发生电解液的溢流。 解决方案:电解液供给装置由主液体供给管1, 分支配管2由主液体供给管1的侧面设置的液体供给喷嘴3构成。 由合成树脂制成并插入以覆盖液体供给喷嘴3的外侧的管a4; 插入管a4中的短管5; 以及由合成树脂制成并插入到与管a4的液体供应喷嘴相对的一侧的开口边缘中的管b6。 版权所有(C)2011,JPO&INPIT
    • 2. 发明专利
    • Method for chlorine-leaching nickel sulfide
    • 氯化镍浸出方法
    • JP2008240009A
    • 2008-10-09
    • JP2007078200
    • 2007-03-26
    • Sumitomo Metal Mining Co Ltd住友金属鉱山株式会社
    • SAKAMOTO KOJINISHIKAWA ISAOHIGUCHI HIROTAKA
    • C22B23/00C22B3/04
    • Y02P10/214Y02P10/224Y02P10/234
    • PROBLEM TO BE SOLVED: To provide a method for chlorine-leaching nickel sulfide by which, when chlorine-leaching nickel sulfide produced by the hydrometallurgy process of nickel oxide ores, the oxidation of sulfur in the nickel sulfide can be suppressed and the leaching ratio of nickel and cobalt can be improved. SOLUTION: This method for chlorine-leaching, a nickel sulfide (A) produced by the hydrometallurgy process of nickel oxide ores is characterized in that a substitution residue (B) containing copper and nickel and obtained from a step of substitution leaching of nickel matte by copper ions in a solution is subjected, together with the nickel oxide (A), to chlorine-leaching while making these (A) and (B) coexist in an aqueous chloride solution containing copper ions. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种氯浸镍硫化物的方法,当通过氧化镍矿石的湿法冶金法生产的氯浸镍硫化物可以抑制硫化镍中的硫的氧化,并且 可以提高镍和钴的浸出率。 解决方案:氯浸法的方法是,通过氧化镍矿石的湿法冶金法生产的硫化镍(A)的特征在于,含有铜和镍的取代残基(B),由取代浸出步骤 将溶液中的铜离子的镍锍与氧化镍(A)一起进行氯浸出,同时使这些(A)和(B)共存于含有铜离子的氯化水溶液中。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • ニッケル酸化鉱石の湿式製錬方法
    • 氧化镍的湿法冶炼方法
    • JP2014205901A
    • 2014-10-30
    • JP2013195610
    • 2013-09-20
    • 住友金属鉱山株式会社Sumitomo Metal Mining Co Ltd
    • SATO KATSUAKINISHIKAWA ISAOHIGUCHI HIROTAKASUGITA IZUMINAKANO OSAMU
    • C22B23/00C22B3/04
    • C22B23/043C22B3/08C22B23/005Y02P10/212
    • 【課題】ニッケル酸化鉱石の高温加圧酸浸出による湿式製錬方法において、鉄の大部分をヘマタイトの形で浸出残渣に固定化するために高鉄酸化率を達成し、浸出時における硫酸使用量を抑え、ニッケル及びコバルトを高い浸出率で浸出させる。【解決手段】第1工程で調整された鉱石スラリー中の炭素品位および流量を測定して、第2工程に装入される炭素量を求め、次いで、硫酸を添加して高圧空気並びに高圧水蒸気を用いて浸出処理を施す第2工程では、高圧空気及び高圧酸素をその酸素純度が21〜60%となるように吹込み比率を調整し、且つ、酸素純度を維持しながら酸素吹込量を上記鉱石スラリーに含有されて第2工程に装入される炭素重量1t当たり200〜600Nm3として、浸出処理におけるORP(Ag/AgCl基準)を400〜650mVに制御する。【選択図】図1
    • 要解决的问题:为了通过高温酸性渗出法提供氧化镍矿石的湿式冶炼方法,其实现了高铁氧化速率以将大多数铁固定在赤铁矿形式的渗出残渣中,抑制了硫酸的使用量 以高渗出率渗出并渗出镍和钴。解决方案:测量在第一步中制备的矿石浆料的碳质量和流速,以确定在第二步中要充入的碳的量。 随后,在加入硫酸的第二步骤中,通过使用高压空气和高压蒸汽进行渗出处理,调节高压空气与高压氧的吹送比,得到 氧气纯度为21-60%,吹入的氧气量被调节为矿石浆料中所含的碳重量的200-600Npper 1t,并在第二步中加入,同时保持氧气的纯度,并且 渗出处理中的ORP(基于Ag / AgCl)控制在400-650mV。
    • 4. 发明专利
    • Neutralization method
    • 中和方法
    • JP2013256691A
    • 2013-12-26
    • JP2012133125
    • 2012-06-12
    • Sumitomo Metal Mining Co Ltd住友金属鉱山株式会社
    • HIGUCHI HIROTAKANISHIKAWA ISAO
    • C22B3/44C02F1/58C02F1/64C22B23/00
    • C02F1/66C02F1/5236C02F2101/101C02F2101/203C02F2101/206C02F2103/16C22B23/043C22B23/0461
    • PROBLEM TO BE SOLVED: To provide a neutralization method which can perform efficient neutralization by reducing the amount of a high-cost highly alkaline neutralizing agent in the neutralization of a barren solution produced from a process for forming sulfides of nickel and cobalt from an aqueous sulfuric acid containing nickel, cobalt, and an impurity metal containing at least any one of iron, magnesium, and manganese.SOLUTION: What is provided is a neutralization method comprising a first neutralization step S11 of subjecting a barren solution to neutralization where a calcium carbonate slurry is used as a first neutralizing agent, and the endpoint is in the range of pH 5.0 to 6.0 and a second neutralization step S12 of obtaining a final neutralized solution devoid of precipitates and metallic ions thereof containing metals remaining in the barren solution by subjecting the solution obtained in the first neutralization step S11 to neutralization by using a second neutralizing agent.
    • 要解决的问题:提供一种中和方法,其可以通过在从硫酸水溶液形成镍和钴的硫化物的方法中产生的贫化溶液的中和中减少高成本的高碱性中和剂的量来进行有效的中和 含有镍,钴和含有至少铁,镁和锰中的任何一种的杂质金属的酸。溶液:提供了一种中和方法,其包括使贫水溶液中和的第一中和步骤S11,其中碳酸钙浆料 被用作第一中和剂,并且终点在pH5.0至6.0的范围内,第二中和步骤S12获得没有沉淀物的最终中和溶液及其残留在贫溶液中的金属的金属离子 在第一中和步骤S11中获得,以通过使用第二中和剂进行中和。
    • 5. 发明专利
    • Method for manufacturing sulfur-containing electrolytic nickel
    • 制备含硫电解镍的方法
    • JP2010196124A
    • 2010-09-09
    • JP2009043405
    • 2009-02-26
    • Sumitomo Metal Mining Co Ltd住友金属鉱山株式会社
    • FUKUIE TOMONAOHIGUCHI HIROTAKA
    • C25C1/08C25C7/04
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing sulfur-containing electrolytic nickel, capable of inhibiting cracking at a electrodeposited part during a step of cutting the sulfur-containing electrolytic nickel and substantially reducing the incidence of defects caused by cracking in cutting work when manufacturing the sulfur-containing electrolytic nickel.
      SOLUTION: The method for manufacturing the sulfur-containing electrolytic nickel comprises: inserting an insoluble anode into an anode box equipped with a diaphragm; inserting a cathode into a cathode box equipped with a diaphragm; feeding an electrolyte solution comprising nickel chloride as a main component and sodium thiosulfate to the cathode box; and performing electrolysis while discharging the electrolyte solution from the anode box together with chlorine gas to outside of the system. In this case, the pH of the electrolyte solution in an electrolytic cell is adjusted to 1.5 or higher but 2.5 or lower.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种制造含硫电解镍的方法,其能够在切割含硫电解镍的步骤期间抑制电沉积部分的裂纹,并且显着降低由裂纹引起的缺陷的发生率 制造含硫电解镍时的切割工作。 解决方案:含硫电解镍的制造方法包括:将不溶性阳极插入装有隔膜的阳极箱中; 将阴极插入装有隔膜的阴极盒中; 将包含氯化镍作为主要成分的电解质溶液和硫代硫酸钠加入到阴极盒中; 并且在将电解质溶液与氯气一起从阳极箱排出到系统外部的同时进行电解。 在这种情况下,将电解槽中的电解液的pH值调整为1.5以上且2.5以下。 版权所有(C)2010,JPO&INPIT