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公开(公告)号：US09970077B2
公开(公告)日：2018-05-15
申请号：US14396300
申请日：2013-04-15
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor： Satoshi Matsubara , Osamu Nakai , Yoji Kyoda , Takashi Sakamoto , Koichiro Maki , Masaki Kitahara , Haruo Ishikawa
IPC: C22B23/00 , C22B3/00 , B01F7/22 , C22B3/10 , B01D11/02 , B01F7/00 , B01F7/16 , B01F13/10 , B01F15/00 , B01F15/02 , C22B3/02 , B01J19/00 , B01J19/18 , B01J3/04
CPC classification number: C22B23/043 , B01D11/0257 , B01F7/00633 , B01F7/167 , B01F7/22 , B01F13/1016 , B01F15/00883 , B01F15/0203 , B01F15/0277 , B01J3/04 , B01J19/006 , B01J19/0066 , B01J19/1806 , B01J19/1862 , B01J2208/00548 , B01J2219/00768 , C22B3/02 , C22B3/10 , Y02P10/234
Abstract: In an autoclave in a high pressure acid leaching process in which starting material slurry and sulfuric acid are stirred by stirring machines in each compartment in the autoclave partitioned by partition walls to proceed leaching, and slurry is transferred from a compartment on an upstream side to a compartment on a downstream side to sequentially proceed leaching, wherein starting material slurry supply tubes having the starting material slurry discharge ports and sulfuric acid supply tubes having sulfuric acid discharge ports are alternately disposed on a perimeter of stirring blades of the stirring machine provided in the compartment at an upstream end, and the starting material slurry and sulfuric acid are added to the compartment at the upstream end from the starting material slurry discharge ports and the sulfuric acid discharge ports positioned higher than an uppermost part of the stirring blades and lower than a contained liquid surface.
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公开(公告)号：US09752211B2
公开(公告)日：2017-09-05
申请号：US14382737
申请日：2013-03-01
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor： Hiroyuki Mitsui , Osamu Nakai , Satoshi Matsubara
CPC classification number: C22B23/0461 , C22B3/04 , C22B23/0423 , Y02P10/234
Abstract: A method for improving the filterability in separating a zinc sulfide, produced by applying sulfurization treatment to a post-neutralization solution containing zinc together with nickel and cobalt in a dezincification step in a hydrometallurgical process for nickel oxide ore. The method includes a neutralization reaction step of neutralizing leachate in a neutralization tank, a separation step of separating neutralized slurry into a neutralized sediment and a post-neutralization solution by adding flocculant to the neutralized slurry, a measuring step of measuring the viscosity of the post-neutralization solution, a step of storing the post-neutralization solution in a storage tank, and a transfer step of transferring the stored post-neutralization solution to a dezincification reaction tank used in a dezincification step subsequent to a neutralization step.
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公开(公告)号：US09651200B2
公开(公告)日：2017-05-16
申请号：US14760020
申请日：2013-12-10
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor： Osamu Nakai , Satoshi Matsubara , Hiroyuki Mitsui , Kenji Tachi , Masayuki Oku
IPC: F17D3/01 , F17D1/08 , F04B41/06 , C22B3/00 , F04B15/02 , F17D1/14 , B01J3/02 , C22B23/00 , F04B49/08
CPC classification number: F17D3/01 , B01J3/02 , C22B23/00 , C22B23/043 , F04B15/02 , F04B41/06 , F04B49/08 , F17D1/088 , F17D1/14 , Y10T137/0352 , Y10T137/0379 , Y10T137/776 , Y10T137/85978 , Y10T137/86163 , Y10T137/87314 , Y10T137/87507
Abstract: A slurry-transporting facility equipped with a plurality of pump-equipment circuits, whereby a stop of slurry supply to a transport destination at the time of switchover between the pump-equipment circuits for use is prevented to make an efficient operation possible. The slurry-transporting facility includes: pipe arrangements which branch out from a feed tank into the plurality of circuits; a transport pump provided in each of the pipe arrangement; a first valve provided upstream from the transport pump; a second valve provided downstream from the transport pump; and a uniting pipe arrangement formed by joining of the pipe arrangements at a predetermined position and connected to a LT heater. The uniting pipe arrangement is provided with a third valve configured to control the transportation of ore slurry to the LT heater and a pressure gauge configured to measure a pressure in the uniting pipe arrangement.
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4.发明授权Hydrogen sulfide gas production plant system and method for recovering and using hydrogen sulfide gas 有权硫化氢气体生产厂系统及回收利用硫化氢气体的方法公开(公告)号：US09321646B2
公开(公告)日：2016-04-26
申请号：US14416428
申请日：2013-07-08
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor： Osamu Nakai , Satoshi Matsubara , Tomoyuki Hirose , Kouichi Nakagawa , Masafumi Nakamura
CPC classification number: C01B17/162 , B01J19/2445 , B01J2219/00006 , B01J2219/00038 , C01B17/16 , Y10T137/0324
Abstract: The present invention allows low-concentration hydrogen sulfide gas to be recovered and supplied to a processing plant that uses hydrogen sulfide gas. The hydrogen sulfide gas production plant is provided with a first supply pipe that supplies hydrogen sulfide gas obtained from a sulfur recovery facility to a processing plant, and a second supply pipe that is branched at a predetermined point in the first supply pipe and supplies the hydrogen sulfide gas from the sulfur recovery facility to the processing plant. The first supply pipe has a concentration meter that is provided on the upstream side than the branch point and measures the concentration of the hydrogen sulfide gas. The first supply pipe and the second supply pipe have ON/OFF valves that are provided on the downstream side of the branch point and perform ON/OFF control of the supply to the processing plant through the supply pipe.
Abstract translation: 本发明允许回收低浓度硫化氢气体并将其供给到使用硫化氢气体的处理厂。 硫化氢气体生产设备设置有将从硫回收设备获得的硫化氢气体提供给处理设备的第一供应管道和在第一供应管道中的预定点处分支并供应氢气的第二供应管道 从硫回收设施到加工厂的硫化物气体。 第一供给管具有设置在比分支点上游侧的浓度计，并测量硫化氢气体的浓度。 第一供给管和第二供给管具有设置在分支点的下游侧的开关阀，并且通过供给管进行对加工厂的供给的ON / OFF控制。
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5.发明申请HYDROGEN SULFIDE GAS PRODUCTION PLANT AND METHOD FOR RECOVERING AND USING WASTE HYDROGEN SULFIDE GAS 有权硫化氢气体生产设备和废水回收和使用硫化氢气体的方法公开(公告)号：US20150044126A1
公开(公告)日：2015-02-12
申请号：US14371474
申请日：2013-01-07
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor： Osamu Nakai , Satoshi Matsubara , Tomoyuki Hirose , Masafumi Nakamura
CPC classification number: B01J7/00 , B01J2219/00002 , C01B17/162 , C01B17/168
Abstract: An object is to provide a hydrogen sulfide gas production plant that can recover discharged waste hydrogen sulfide gas and efficiently supply the gas to a process plant where processing is conducted by using hydrogen sulfide gas, and also provide a method for recovering and using the waste hydrogen sulfide gas by the hydrogen sulfide gas production plant. In the present invention, the hydrogen sulfide gas production plant is provided with a pipe that recovers the waste hydrogen sulfide gas discharged from the hydrogen sulfide gas production plant and that has one end connected to the process plant where the hydrogen sulfide gas is used, and the discharged waste hydrogen sulfide gas is recovered and the recovered waste hydrogen sulfide gas is supplied to the process plant through the pipe.
Abstract translation: 本发明的目的是提供一种能够回收排出的废硫化氢气体并有效地将气体供给到通过使用硫化氢气体进行加工的工艺设备的硫化氢气体生产设备，并且还提供回收和使用废氢 硫化氢气体由硫化氢气体生产厂。 在本发明中，硫化氢气体生产装置设置有回收从硫化氢气体制造装置排出的废硫化氢气体的管道，其一端与使用硫化氢气体的处理装置连接， 回收排出的废硫化氢气体，回收的废硫化氢气体通过管道供给工艺装置。
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Patent Agency Ranking
公开(公告)号：US09731980B2
公开(公告)日：2017-08-15
申请号：US14651396
申请日：2013-11-22
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor： Takayuki Nakai , Satoshi Matsubara , Osamu Nakai , Yoji Kyoda
IPC: B01F3/04 , B01D19/00 , C02F1/20 , C02F1/74 , B01F7/16 , B01F7/22 , C22B3/00 , C02F101/10 , C02F103/02 , C02F103/10 , C02F103/16
CPC classification number: C02F1/20 , B01D19/0005 , B01F3/0412 , B01F3/04241 , B01F3/04248 , B01F7/1675 , B01F7/22 , B01F2003/04326 , C02F1/74 , C02F2101/101 , C02F2103/02 , C02F2103/10 , C02F2103/16 , C02F2303/04 , C22B23/043 , C22B23/0461
Abstract: Provided are a treatment method for a barren solution, and a treatment device for a barren solution, with which hydrogen sulfide can be efficiently removed from the barren solution. In an aeration tank provided with a vertical-type cylindrical reaction vessel, stirring blades arranged in the reaction vessel, and an annular aeration tube having a large number of air outlets, which is arranged to a bottom part of the reaction vessel, aeration is performed by blowing gas for aeration into the reaction vessel from a large number of air outlets of the aeration tube while stirring a liquid by rotation of the stirring blades.
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公开(公告)号：US09464341B2
公开(公告)日：2016-10-11
申请号：US14370882
申请日：2012-12-27
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor： Satoshi Matsubara , Osamu Nakai , Yoji Kyoda , Takashi Sakamoto
CPC classification number: C22B23/043 , B01J3/04 , B01J4/008 , B01J2219/00182 , C22B3/02 , C22B3/04 , C22B3/08 , Y02P10/234
Abstract: A hydrostatic tower whose lower part communicates with a liquid phase space within a flash vessel, and whose upper part communicates with a gas phase space within the flash vessel is provided. A rising liquid level within the hydrostatic tower is detected by at least one maximum liquid level sensor provided at a position at the same level as a predetermined maximum liquid level within the liquid phase space. A dropping liquid level within the hydrostatic tower is detected by at least one minimum liquid level sensor provided at a position at the same level as a predetermined minimum liquid level within the liquid phase space.
Abstract translation: 提供了一种静水塔，其下部与闪光容器内的液相空间连通，并且其上部与闪蒸容器内的气相空间连通。 静液压塔内的上升液位由设置在与液相空间内的预定最大液面相同水平的位置处的至少一个最大液位传感器检测。 流体静力塔内的液滴液位由至少一个液位传感器检测，该液位传感器位于与液相空间内的预定最小液位相同的位置上。
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公开(公告)号：US20150145183A1
公开(公告)日：2015-05-28
申请号：US14370882
申请日：2012-12-27
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor： Satoshi Matsubara , Osamu Nakai , Yoji Kyoda , Takashi Sakamoto
CPC classification number: C22B23/043 , B01J3/04 , B01J4/008 , B01J2219/00182 , C22B3/02 , C22B3/04 , C22B3/08 , Y02P10/234
Abstract: A hydrostatic tower whose lower part communicates with a liquid phase space within a flash vessel, and whose upper part communicates with a gas phase space within the flash vessel is provided. A rising liquid level within the hydrostatic tower is detected by at least one maximum liquid level sensor provided at a position at the same level as a predetermined maximum liquid level within the liquid phase space. A dropping liquid level within the hydrostatic tower is detected by at least one minimum liquid level sensor provided at a position at the same level as a predetermined minimum liquid level within the liquid phase space.
Abstract translation: 提供了一种静水塔，其下部与闪光容器内的液相空间连通，并且其上部与闪蒸容器内的气相空间连通。 静液压塔内的上升液位由设置在与液相空间内的预定最大液面相同水平的位置处的至少一个最大液位传感器检测。 流体静力塔内的液滴液位由至少一个液位传感器检测，该液位传感器位于与液相空间内的预定最小液位相同的位置上。
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公开(公告)号：US09751035B2
公开(公告)日：2017-09-05
申请号：US14760066
申请日：2013-12-10
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor： Hiroyuki Mitsui , Satoshi Matsubara , Osamu Nakai
CPC classification number: B01D37/04 , C01G9/08 , C22B1/00 , C22B23/043 , C22B23/0461
Abstract: At the beginning of a dezincification plant used in a dezincification step in a hydrometallurgical method for nickel, a decrease throughout the dezincification plant is controlled to prevent a decrease in production volume and a cake layer is formed on a filter cloth provided to a filter device inside the dezincification plant. At the beginning of dezincification plant, a slurry containing a formed zinc sulfide is supplied to a filter for filtration and separation, an adjustment is performed in which the flow rate of the slurry is increased to reach a target flow rate in a time T2 which satisfies the following relational expression 3×T1≦T2≦5×T1, where T1 represents the time between starting a slurry supply and attaining the target flow rate in the case of transferring the slurry at the maximum liquid transfer capacity of a pump configured to transfer the slurry.
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公开(公告)号：US20150152521A1
公开(公告)日：2015-06-04
申请号：US14406492
申请日：2013-06-10
Applicant: SUMITOMO METAL MINING CO., LTD.
Inventor： Satoshi Matsubara , Osamu Nakai , Yoji Kyoda , Takashi Sakamoto , Haruo Ishikawa , Koichiro Maki
CPC classification number: C22B23/043 , B01D11/0234 , B01D11/0257 , B01D11/0284 , B01F7/22 , B01F13/1022 , B01F15/00863 , B01J19/006 , B01J19/0066 , B01J19/18 , B01J19/1862 , B01J2219/00768 , B01J2219/182 , B01J2219/1943 , C22B3/02 , C22B3/04 , C22B3/08 , Y02P10/234
Abstract: In an autoclave apparatus for a high-pressure acid leaching process which advances leaching by stirring heated and pressurized material slurry and sulfuric acid by stirrers in compartments in an autoclave main body of a plurality of compartments, transfers slurry from an upstream side compartment to a downstream one to advance leaching, liquid flow ports for slurry transfer that open and close by doors are provided on the partition walls, the liquid flow ports for slurry transfer are installed at positions where the heights from the lowermost portion the autoclave to the center of gravity are 0.1 to 0.3 times an autoclave diameter and distances from the center lines of the partition walls to the center of gravity are 0.05 to 0.25 times the autoclave diameter, and the liquid flow ports for slurry transfer have shapes which do not reach end portions of the partition walls.
Abstract translation: 在用于高压酸浸法的高压釜装置中，其通过在多个室的高压釜主体中的隔室中搅拌加热和加压的材料浆料和硫酸搅拌器进行浸出，将浆料从上游侧隔室转移到下游 一个用于推进浸出的液体流通端口用于通过门打开和关闭的用于浆料转移的液体流动端口设置在分隔壁上，用于浆料转移的液体流动端口安装在从高压釜的最下部分到高度的高度位置 高压釜直径的0.1〜0.3倍，从隔壁的中心线到重心的距离为高压釜直径的0.05〜0.25倍，浆料输送用的液体流通孔的形状不会到达分隔部的端部 墙壁
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