Method for producing silicon for solar cells by metallurgical refining process
    5.
    发明授权
    Method for producing silicon for solar cells by metallurgical refining process 有权
    冶金精制工艺生产太阳能电池用硅的方法

    公开(公告)号:US09352970B2

    公开(公告)日:2016-05-31

    申请号:US14380239

    申请日:2012-06-28

    摘要: In order to produce metallurgical grade silicon and solar cell grade polysilicon in batches, a method of the present invention comprises: a step of reduction in an arc furnace, consisting of removing C and CO in a silicon reduction atmosphere using silica stone and carbon black by an arc so as to produce metallurgical grade silicon; a step of refining by slag consisting of removing phosphorus (P) and boron (B) by slag; a step of refining by unidirectional solidification consisting of removing metal impurities (Fe, Al, Ti, Mn, etc.) by means of unidirectional solidification; and a step of steam plasma-electromagnetism continuous refining consisting of charging a furnace with the unidirectionally solidified silicon and removing boron (B) by a steam plasma torch.

    摘要翻译: 为了分批生产冶金级硅和太阳能电池级多晶硅,本发明的方法包括:还原电弧炉的步骤包括使用硅石和炭黑通过硅还原气氛中的C和CO除去 电弧,以生产冶金级硅; 通过炉渣除去磷(P)和硼(B)组成的炉渣精炼的步骤; 通过单向凝固除去金属杂质(Fe,Al,Ti,Mn等)的单向凝固精制步骤; 以及蒸汽等离子体 - 电磁连续精炼的步骤,其包括将炉子与单向固化的硅进行加热,并通过蒸汽等离子体焰炬除去硼(B)。

    METHOD FOR PRODUCING SILICON FOR SOLAR CELLS BY METALLURGICAL REFINING PROCESS
    6.
    发明申请
    METHOD FOR PRODUCING SILICON FOR SOLAR CELLS BY METALLURGICAL REFINING PROCESS 有权
    通过冶金精炼工艺生产太阳能电池硅的方法

    公开(公告)号:US20150135770A1

    公开(公告)日:2015-05-21

    申请号:US14380239

    申请日:2012-06-28

    IPC分类号: C01B33/039

    摘要: In order to produce metallurgical grade silicon and solar cell grade polysilicon in batches, a method of the present invention comprises: a step of reduction in an arc furnace, consisting of removing C and CO in a silicon reduction atmosphere using silica stone and carbon black by an arc so as to produce metallurgical grade silicon; a step of refining by slag consisting of removing phosphorus (P) and boron (B) by slag; a step of refining by unidirectional solidification consisting of removing metal impurities (Fe, Al, Ti, Mn, etc.) by means of unidirectional solidification; and a step of steam plasma-electromagnetism continuous refining consisting of charging a furnace with the unidirectionally solidified silicon and removing boron (B) by a steam plasma torch.

    摘要翻译: 为了分批生产冶金级硅和太阳能电池级多晶硅,本发明的方法包括:还原电弧炉的步骤包括使用硅石和炭黑通过硅还原气氛中的C和CO除去 电弧,以生产冶金级硅; 通过炉渣除去磷(P)和硼(B)组成的炉渣精炼的步骤; 通过单向凝固除去金属杂质(Fe,Al,Ti,Mn等)的单向凝固精制步骤; 以及蒸汽等离子体 - 电磁连续精炼的步骤,其包括将炉子与单向固化的硅进行加热,并通过蒸汽等离子体焰炬除去硼(B)。

    Assembly structure for a turbo compressor
    10.
    发明授权
    Assembly structure for a turbo compressor 失效
    涡轮压缩机的组装结构

    公开(公告)号:US06471493B2

    公开(公告)日:2002-10-29

    申请号:US09766578

    申请日:2001-01-23

    IPC分类号: F04B1700

    摘要: The present invention relates to a turbo compressor which is capable of minimizing deformation of construction parts which may occur in welding or after welding and simplifying the manufacture and assembly by forming the outer diameter of a driving shaft so as to be stepped and joining the construction parts with bolts and pins. The turbo compressor in accordance with the present invention comprises a sealed container having separate inlets on each end, a first bearing housing and a second bearing housing and a driving motor installed inside of the sealed container, a driving shaft with its both ends separately inserted-penetrates through holes in the first and second bearing housings, a sealing member fixedly joined to the first bearing housing, a radial supporting member for supporting the driving shaft in the radial direction, first and second impellers and first and second diffuser members fixedly connected to the both ends of the driving shaft, an interconnection pipe for connecting the inlets, and an axial supporting member for supporting the driving shaft in the axial direction.

    摘要翻译: 涡轮压缩机技术领域本发明涉及一种涡轮压缩机,其能够使焊接中或焊接后可能发生的构造部件的变形最小化,并且通过形成驱动轴的外径来简化制造和组装,并且将结构部件 用螺栓和销钉。 根据本发明的涡轮压缩机包括:密封容器,每个端部具有单独的入口,第一轴承壳体和第二轴承壳体以及安装在密封容器内部的驱动马达,驱动轴的两端分别插入 - 穿透第一和第二轴承壳体中的孔,固定地连接到第一轴承壳体的密封构件,用于沿径向支撑驱动轴的径向支撑构件,第一和第二叶轮以及固定地连接到第一和第二轴承壳体的第一和第二扩散器构件 驱动轴的两端,用于连接入口的互连管,以及用于沿轴向支撑驱动轴的轴向支撑构件。