在燃气轮机高温部件上形成抗腐蚀抗氧化覆层的方法

    公开(公告)号:CN101173349A

    公开(公告)日:2008-05-07

    申请号:CN200710163786.9

    申请日:2007-11-01

    Abstract: 通过向用于维持燃气轮机运转的LNG、汽油或煤油等燃料添加含有硅等半金属成分的有机化合物,或者通过以其他方式向燃烧空气喷雾施加所述化合物并与燃料共同燃烧,提供一种在燃气轮机运转中在包括高速旋转的燃气轮机叶片在内的高温部件上有效地气相沉积二氧化硅等抗腐蚀、抗氧化物质,从而提高燃气轮机高温部件的寿命的方法。本方法的特征在于,硅有机化合物与燃料共同燃烧时生成二氧化硅,二氧化硅在暴露于高温燃烧气的所有燃气轮机高温部件上均匀地堆积,形成几微米乃至几十微米厚的氧化物覆层,从而在燃气轮机运转中形成抗腐蚀、抗氧化层。

    LOW VISCOSITY, HIGH CONCENTRATION DRAG REDUCING AGENT AND METHOD THEREFOR
    43.
    发明公开
    LOW VISCOSITY, HIGH CONCENTRATION DRAG REDUCING AGENT AND METHOD THEREFOR 失效
    低粘度,高浓度用于减少流阻及程序

    公开(公告)号:EP0835268A1

    公开(公告)日:1998-04-15

    申请号:EP96921636.0

    申请日:1996-06-14

    Abstract: Low viscosity, high concentration drag reducing agents may be prepared by slowly adding a liquid, non-solvent (e.g. isopropyl alcohol) for a drag reducing polymer (e.g. a polyalphaolefin) to a mixture of the polymer and the solvent (e.g. kerosene) in which the polymer is dissolved. When enough non-solvent is added, the polymer precipitates into fine particles. The supernatant mixture of solvent and non-solvent is then removed from the precipitated polymer slurry concentrate. Further solvent contained in the slurry concentrate may be removed by evaporation or further extraction with the liquid, non-solvent. The resulting slurry concentrate dissolves rapidly in flowing hydrocarbon streams to reduce the drag therein, and gives exceptionally good drag reducing results at low concentrations. Additionally, no injection probes or other special equipment is required to introduce the drag reducing slurry into the hydrocarbon stream, nor is grinding of the polymer necessary to form a suitable DRA slurry.

    ORGANIC MATERIALS STABILIZED BY COMPOUNDS CONTAINING BOTH AMINE AND HINDERED PHENOL FUNCTIONALITIES
    47.
    发明申请
    ORGANIC MATERIALS STABILIZED BY COMPOUNDS CONTAINING BOTH AMINE AND HINDERED PHENOL FUNCTIONALITIES 审中-公开
    化合物稳定的有机材料含有两种胺和苯二酚功能

    公开(公告)号:WO99020686A2

    公开(公告)日:1999-04-29

    申请号:PCT/US1998/019665

    申请日:1998-09-21

    Abstract: The present invention relates to compounds containing dual substitutions of an aromatic amine and hindered phenol functionality useful as stabilizers for organic materials. These compounds are of general formula (I) wherein phi is formula (II). R1 and R2 are independently selected from the group consisting of hydrogen, substituted or unsubstituted aryl, and substituted or unsubstituted alkyl of 1 to 20 carbon atoms; R3 is alkylene of 1 to 10 carbon atoms; m is 0 or 1; n is an integer of 1 to 10; q is an integer of 0 to 8; z is 1 or 2, provided that, when q is 0, z must be 1; X represents the links of a chain q links in length, said links being selected from the group consisting of carbon, nitrogen, oxygen, sulfur, silicon, and mixtures thereof; and Y is an aromatic group or phi , provided that Y can be phi only when q is 0 and m is 1.

    Abstract translation: 本发明涉及含有用作有机材料的稳定剂的芳族胺和受阻酚官能团的双重取代的化合物。 这些化合物具有通式(I),其中phi是式(II)。 R 1和R 2独立地选自氢,取代或未取代的芳基和取代或未取代的1至20个碳原子的烷基; R3是1-10个碳原子的亚烷基; m为0或1; n为1〜10的整数。 q为0〜8的整数; z为1或2,条件是当q为0时,z必须为1; X表示链q链长度的连接,所述链接选自碳,氮,氧,硫,硅及其混合物; 并且Y是芳族基团或Phi,条件是当q为0且m为1时,Y仅为phi。

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