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1. 发明申请

WO2004079034A1 WEAR RESISTANT SCREEN 审中-公开
标题翻译：耐磨筛选
公开(公告)号：WO2004079034A1
公开(公告)日：2004-09-16
申请号：PCT/IB2004/000605
申请日：2004-03-05
申请人： METALSPRAY INTERNATIONAL L.C. , DE VILLIERS, Christopher, Murray , HALL, Iain
发明人： HALL, Iain
IPC分类号： C23C4/06
CPC分类号： F01N3/0226 , B01D39/10 , C23C4/00 , C23C4/06 , Y02T10/20
摘要： A method of manufacturing a screen used to block the passage of particulate material in a gas flow path is disclosed. A screen substrate, typically comprising a steel mesh, grate or perforated plate, is coated by thermal spraying to apply a coating comprising a relatively soft metallic base material and a hard phase in the base material. Various feedstock materials for the thermal spraying process are disclosed. Preferably, the coating is applied by providing a number of spray heads, each of which is inclined relative to the plane of the screen at an angle between 15 and 45 degrees, so that a greater than 180 degree coating of each portion of the screen is achieved. The resulting screens have application in exhaust systems of fossil fuel fired plants, upstream of a selective catalytic reduction (SCR) system.
摘要翻译：公开了一种制造用于阻止气体流路中的颗粒材料通过的筛网的方法。通常通过热喷涂涂覆通常包括钢网，格栅或多孔板的筛网基材，以在基材中施加包含相对柔软的金属基材和硬相的涂层。公开了用于热喷涂方法的各种原料。优选地，通过提供多个喷头来施加涂层，每个喷头相对于屏幕的平面以15度和45度的角度倾斜，使得屏幕的每个部分大于180度的涂层是实现。所得到的屏幕可用于化石燃料燃烧厂的排气系统，在选择性催化还原（SCR）系统的上游。

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