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    SEALED DRILL BIT RELEASE DEVICE, REAGENT, AND METHOD, AND APPLICATION
    1.
    发明公开
    SEALED DRILL BIT RELEASE DEVICE, REAGENT, AND METHOD, AND APPLICATION 审中-公开

    公开(公告)号：EP4060079A1

    公开(公告)日：2022-09-21

    申请号：EP21802584.9

    申请日：2021-06-04

    申请人： Sichuan Jiarui Technology Co., Ltd.

    发明人： ZHENG, Yu ,  LIU, Nian ,  CAO, Lijuan ,  LI, Weiming

    IPC分类号： C23F1/08 ,  C23F1/30 ,  E21B10/46 ,  C23F4/00 ,  C23F1/00 ,  C23F1/28 ,  E21B10/567 ,  C23F1/02 ,  C22C26/00 ,  B22F3/24

    摘要： Disclosed are a sealed cobalt leaching device, a reagent for the cobalt leaching, a method using the device, and use of the method. The sealed cobalt leaching device includes a base, where a top of the base is provided with a first groove; a chemical solution holding tool is provided above the base; a bottom of the chemical solution holding tool is removably connected to the base; a holding through-hole penetrating up and down is formed inside the chemical solution holding tool; and a sealing cover is provided above the chemical solution holding tool. Beneficial effects of the present disclosure: Through the combination of the base, the chemical solution holding tool, and the sealing cover, the holding through-hole inside the chemical solution holding tool is sealed, thereby improving the cobalt leaching temperature and the cobalt leaching efficiency. Moreover, a polycrystalline diamond compact (PDC) is placed in the first groove, such that only a diamond layer of the PDC is in contact with a cobalt leaching reagent, thereby effectively protecting a metal alloy substrate and preventing environmental pollution and human body damage.

    Method for treating an outer surface of a heat transfer fluid tube
    10.
    发明公开
    Method for treating an outer surface of a heat transfer fluid tube 审中-公开
    Verfahren zur Behandlung derAußenflächeeinesWärmeübertragungsfluidrohrs

    公开(公告)号：EP2924144A1

    公开(公告)日：2015-09-30

    申请号：EP14161904.9

    申请日：2014-03-27

    申请人： NEM Energy B.V.

    发明人： Rop, Peter Simon

    IPC分类号： C23F4/00 ,  F24J2/07 ,  F24J2/48 ,  F28F13/18

    CPC分类号： H01J37/32009 ,  C23F4/00 ,  F24S10/80 ,  F24S20/20 ,  F24S70/25 ,  F28F13/185 ,  H01J37/32431 ,  H01J2237/32 ,  Y02E10/41 ,  Y02E10/44

    摘要： The present invention relates to a method for treating an outer surface (2) of a heat transfer fluid tube (1) especially for a receiver of a solar thermal power plant, comprising the steps: of providing the heat transfer fluid tube (1) and treating the outer surface (2) with a hydrogen plasma jet (3) so that a porosity in the range of a nano-scale is created in a thin layer of that outer surface (2).

    摘要翻译： 本发明涉及一种用于处理特别是用于太阳能发电厂的接收器的传热流体管（1）的外表面（2）的方法，包括以下步骤：提供传热流体管（1）和 用氢等离子体射流（3）处理外表面（2），使得在该外表面（2）的薄层中产生在纳米级范围内的孔隙率。