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公开(公告)号：US20180161880A1
公开(公告)日：2018-06-14
申请号：US15562561
申请日：2016-03-30
CPC分类号： B22F5/006 , B22F1/0059 , B22F1/0062 , B22F3/16 , B22F3/225 , B22F2301/10 , B22F2301/15 , B22F2998/10 , B22F2001/0066 , B22F3/02 , B22F3/1017
摘要： A flexible porous metal foil sheet made of a metal porous material which use a solid solution alloy, a metal element of a face-centered cubic structure or a metal element of a body-centered cubic structure as the matrix phase, wherein the thickness of the sheet is greater than 200 μm and less than or equal to 1500 μm, the average aperture is 0.05˜100 μm, and the porosity is 15%˜70%. The method for making the flexible porous metal foil comprises: (1) making viscous suspension or muddy paste of raw material powder that will form the metal porous material using a dispersing agent and a binding agent; (2) injecting the suspension or paste into a mold for making membrane, and drying the suspension or paste to form a homogeneous membrane; (3) pressing the membrane to improve the stacking density of the powder particles; and (4) sintering the pressed membrane to obtain the flexible porous metal foil. The flexible porous metal foil has more uniform aperture distribution, and better flatness of the foil.
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公开(公告)号：US20170217773A1
公开(公告)日：2017-08-03
申请号：US15107829
申请日：2013-12-30
发明人： Lin Gao , Tao WANG , Dingjiang GUO
IPC分类号： C01B25/047 , B01D53/22 , B01D53/00 , C01B25/027 , B01J19/08
CPC分类号： C01B25/047 , B01D53/002 , B01D53/229 , B01J19/088 , B01J2219/0805 , B01J2219/0879 , C01B25/027
摘要： A method, apparatus and special phosphorus recovery device for recovering yellow phosphorus from an electric furnace phosphorus-producing furnace gas without the use of a spray cooling mode during the condensation of the electric furnace phosphorus-producing furnace gas. The method comprises the steps: 1) dedusting and purifying the electric furnace phosphorus-producing furnace gas by using a dry-type dedusting system, so that the solid content of the electric furnace phosphorus-producing furnace gas in less than or equal to 10-50 mg/m3; 2) conveying the purified furnace gas to a phosphorus recovery device, the phosphorus recovery device being provided with a heat exchange chamber formed by a shell and a recuperator arranged inside the heat exchange chamber; 3) feeding into an internal flow path of the recuperator a low-temperature medium, which conducts non-mixed heat transfer with the furnace gas under the isolation of the recuperator, so that the yellow phosphorus is condensed, separated out, and then vastly attached to the surface of the recuperator, and the tail gas arising from heat exchange is discharged out of the phosphorus recovery device; and 4) feeding a high-temperature medium for replacing the low-temperature medium into the internal flow path of the recuperator.
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