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1. 发明授权

US10077214B2 Sintered porous material and filter element using same 有权
公开(公告)号：US10077214B2
公开(公告)日：2018-09-18
申请号：US14901985
申请日：2014-06-30
申请人： Intermet Technologies Chengdu Co., Ltd.
发明人： Lin Gao , Tao Wang , Bo Li
IPC分类号： C04B38/00 , C04B38/06 , B01D39/06 , C04B35/00 , C04B38/02 , B01D39/20 , C04B35/56 , C04B35/626 , C04B35/64
CPC分类号： C04B38/02 , B01D39/20 , B01D39/2075 , B01D2239/1208 , B01D2239/1216 , C04B35/5615 , C04B35/62695 , C04B35/64 , C04B38/00 , C04B2111/00793 , C04B2235/3843 , C04B2235/402 , C04B2235/404 , C04B2235/422 , C04B2235/428 , C04B2235/44 , C04B2235/5436 , C04B2235/604 , C04B2235/6565 , C04B2235/6567 , C04B2235/661 , C04B2235/80 , C04B2235/81 , C04B2235/94 , C04B2235/96 , C04B2235/9669 , C04B2235/9684 , C04B38/0054 , C04B38/0074
摘要： A sintered porous material with stronger corrosion resistance comprising three elements Ti, Si and C which constitute at least 90% of the weight of the porous material, wherein the porous material has 30-60% porosity, 0.5-50 μm average pore size, and at least 23 MPa tensile strength, wherein the porous material of 5 mm thickness under 0.05 MPa pressure has a pure water filtration flux of at least 1 t/m2·h, and a weight loss rate of no more than 1.5% after having been immersed in a 5 wt % hydrochloric acid solution at room temperature for 48 days.

2. 发明申请

US20180161880A1 FLEXIBLE POROUS METAL FOIL AND MANUFACTURING METHOD FOR FLEXIBLE POROUS METAL FOIL 审中-公开
公开(公告)号：US20180161880A1
公开(公告)日：2018-06-14
申请号：US15562561
申请日：2016-03-30
申请人： Intermet Technologies Chengdu Co., Ltd.
发明人： Lin GAO , Tao WANG , Tao Wang , Bo LI
IPC分类号： B22F5/00 , B22F3/16 , B22F1/00
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.

3. 发明申请

US20160221883A1 SINTERED POROUS MATERIAL AND FILTER ELEMENT USING SAME 审中-公开
标题翻译：使用相同的烧结多孔材料和过滤元件
公开(公告)号：US20160221883A1
公开(公告)日：2016-08-04
申请号：US14901985
申请日：2014-06-30
申请人： INTERMET TECHNOLOGIES CHENGDU CO., LTD
发明人： Lin Gao , Tao Wang , Bo Li
IPC分类号： C04B38/02 , B01D39/20
CPC分类号： C04B38/02 , B01D39/20 , B01D39/2075 , B01D2239/1208 , B01D2239/1216 , C04B35/5615 , C04B35/62695 , C04B35/64 , C04B38/00 , C04B2111/00793 , C04B2235/3843 , C04B2235/402 , C04B2235/404 , C04B2235/422 , C04B2235/428 , C04B2235/44 , C04B2235/5436 , C04B2235/604 , C04B2235/6565 , C04B2235/6567 , C04B2235/661 , C04B2235/80 , C04B2235/81 , C04B2235/94 , C04B2235/96 , C04B2235/9669 , C04B2235/9684 , C04B38/0054 , C04B38/0074
摘要： Disclosed is a sintered porous material with stronger corrosion resistance and a filter element using same. The sintered porous material of the present application has following features: a) it mainly consists of three elements of Ti, Si and C, and the total weight of the three elements accounts for at least 90% of the weight of the sintered porous material, wherein Ti is 60-75% of the total weight of Ti, Si and C, and Si is 10-20% of the total weight of Ti, Si and C; b) C in the sintered porous material is mainly present in the form of the Ti3SiC2 ternary MAX phase compound, and is almost uniformly dispersed in the porous material; c) the porous material has porosity of 30-60%, average pore size of 0.5-50 μm, tensile strength of at least 23 MPa, pure water filtration flux of 1 t/m2·h at least measured under a filtration pressure difference of 0.05 MPa with a thickness of 5 mm at most for the sintered porous material, and a weight loss rate of at most 1.5% after being immersed into a 5 wt. % chlorhydric acid solution at room temperature for 48 days. The sintered porous material of the present invention has the excellent corrosion resistance property.
摘要翻译：公开了具有较强抗腐蚀性的烧结多孔材料和使用其的过滤元件。本申请的烧结多孔材料具有以下特征：a）其主要由Ti，Si和C的三种元素组成，并且三种元素的总重量占烧结多孔材料重量的至少90％其中Ti占Ti，Si和C总重量的60-75％，Si占Ti，Si和C总重量的10-20％; b）烧结多孔材料中的C主要以Ti3SiC2三元MAX相化合物的形式存在，几乎均匀地分散在多孔材料中; c）多孔材料的孔隙率为30-60％，平均孔径为0.5-50μm，拉伸强度为至少23MPa，纯水过滤通量为1t / m 2·h，至少在过滤压力差下测量烧结多孔材料最多为5mm，厚度为5mm，浸渍在5重量％以上后的重量损失率为1.5％以下。％氯酸溶液在室温下搅拌48天。本发明的烧结多孔材料具有优异的耐腐蚀性。

4. 发明授权

US10246331B2 Method, apparatus and special phosphorus recovery device for recovering yellow phosphorus from electric furnace phosphorus-producing furnace gas 有权
公开(公告)号：US10246331B2
公开(公告)日：2019-04-02
申请号：US15107829
申请日：2013-12-30
申请人： INTERMET TECHNOLOGIES CHENGDU CO., LTD
发明人： Lin Gao , Tao Wang , Dingjiang Guo
IPC分类号： B01D53/00 , B01D53/22 , B01J19/08 , C01B25/027 , C01B25/047
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.

5. 发明申请

US20160220933A1 SINTERED FE-AL BASED POROUS ALLOY MATERIAL WITH HIGH-TEMPERATURE OXIDIZATION RESISTANCE AND FILTERING ELEMENTS 审中-公开
标题翻译：具有高温氧化电阻和过滤元素的烧结多孔合金材料
公开(公告)号：US20160220933A1
公开(公告)日：2016-08-04
申请号：US14908467
申请日：2014-06-30
申请人： INTERMET TECHNOLOGIES CHENGDU CO., LTD
发明人： Lin Gao , Tao Wang , Bo Li
IPC分类号： B01D39/20 , C22C38/06 , C22C38/18 , B22F1/00 , B22F5/10
CPC分类号： B01D39/2034 , B01D39/20 , B01D39/2051 , B01D2239/1216 , B22F1/0003 , B22F3/11 , B22F5/10 , B22F2301/35 , C22C1/08 , C22C33/02 , C22C38/06 , C22C38/18
摘要： Disclosed are a sintered Fe—Al based alloy porous material with high temperature oxidation resistance and a filter element using same. The porous material has a porosity of 30-60% and an average pore diameter of 0.5-50 μm, and has that: a) it mainly consists of three elements of Fe, Al and Cr, and the total weight of these three elements accounts for at least 90% of the weight of the porous material, wherein the weight of Fe is 60-85% of the total weight of Fe and Al, and the weight of Cr is 10-30% of the total weight of Fe, Al and Cr; b) the Cr in the porous material mainly presents in the form of a chromium compound of a Fe—Al based compound, or mainly presents in the form of a chromium compound of the Fe—Al based compound and FeCr, and is almost uniformly dispersed in the porous material; and c) it has a tensile strength ≧45 MPa, an air flux ≧80 m3/m2·KPa·h for the sintered Fe—Al based alloy porous material with a thickness ≦5 mm, a weight loss rate of at most 0.5% after being immersed into a NaOH solution with a mass fraction of 10% at room temperature for 15 days, and a material weight gain rate of at most 0.25% after being kept at 1000° C. in air for 90 hours.
摘要翻译：公开了具有高温抗氧化性的烧结Fe-Al系合金多孔材料和使用其的过滤元件。多孔材料具有30-60％的孔隙率和0.5-50μm的平均孔径，并且具有：a）它主要由Fe，Al和Cr的三种元素组成，并且这三种元素的总重量对于至少90％的多孔材料的重量，其中Fe的重量为Fe和Al总重量的60-85％，Cr的重量为Fe，Al总重量的10-30％和Cr; b）多孔材料中的Cr主要以Fe-Al系化合物的铬化合物的形式存在，或者主要呈Fe-Al系化合物和FeCr的铬化合物的形式，并且几乎均匀分散在多孔材料中; c）对于厚度≤5mm的Fe-Al系合金多孔材料，其重量损失率在0.5％以下，其拉伸强度≥45MPa，空气通量≥80m3 / m 2·KPa·h 在室温下浸泡在质量分数为10％的NaOH溶液中15天后，在空气中保持在1000℃下保持90小时后的材料增重率至多为0.25％。

6. 发明授权

US10525390B2 Powder sintered metallic porous body, filter element and method for improving permeability thereof 有权
公开(公告)号：US10525390B2
公开(公告)日：2020-01-07
申请号：US14915177
申请日：2014-06-30
申请人： Intermet Technologies Chengdu Co., Ltd.
发明人： Lin Gao , Tao Wang , Bo Li
IPC分类号： B01D39/20 , B01D71/02 , B22F3/11 , C22C19/03 , C22C19/00 , B01D69/12
摘要： Disclosed are a powder sintered porous metal with better comprehensive properties, especially with good corrosion resistance to hydrofluoric acid, and a filter element using same. The powder sintered porous metal of the present invention has a porosity of 25-60%, an average pore diameter of 0.5-50 μm and a weight loss rate of at most 1% after being immersed into a hydrofluoric acid solution with a mass fraction of 5% at room temperature for 20 days; and the powder sintered metal porous body consists of Cu accounting for 23-40 wt %, Si accounting for 0-5% and the balance of Ni, based on the weight of the powder sintered metal porous body. The powder sintered porous metal of the present invention has good mechanical properties and machinability, and excellent corrosion resistance in acid mediums, especially in hydrofluoric acid mediums. In particular surprisingly, when Cu and Ni are introduced into the powder sintered porous metal by Cu element powders and Ni element powders doped in the raw material powders, the powder sintered porous metal has significantly improved permeability and backflushing regeneration property.

7. 发明申请

US20160256807A1 POWDER SINTERED METALLIC POROUS BODY, FILTER ELEMENT AND METHOD FOR IMPROVING PERMEABILITY THEREOF 审中-公开
标题翻译：粉末烧结金属多孔体，过滤元件和改善渗透性的方法
公开(公告)号：US20160256807A1
公开(公告)日：2016-09-08
申请号：US14915177
申请日：2014-06-30
申请人： INTERMET TECHNOLOGIES CHENGDU CO., LTD
发明人： Lin Gao , Tao Wang , Bo Li
IPC分类号： B01D39/20 , B01D71/02 , B22F3/11 , B01D69/12
CPC分类号： B01D39/2034 , B01D69/12 , B01D71/022 , B01D2325/30 , B22F3/11 , B22F2998/10 , C22C19/002 , C22C19/03 , B22F3/02
摘要： Disclosed are a powder sintered porous metal with better comprehensive properties, especially with good corrosion resistance to hydrofluoric acid, and a filter element using same. The powder sintered porous metal of the present invention has a porosity of 25-60%, an average pore diameter of 0.5-50 μm and a weight loss rate of at most 1% after being immersed into a hydrofluoric acid solution with a mass fraction of 5% at room temperature for 20 days; and the powder sintered metal porous body consists of Cu accounting for 23-40 wt %, Si accounting for 0-5% and the balance of Ni, based on the weight of the powder sintered metal porous body. The powder sintered porous metal of the present invention has good mechanical properties and machinability, and excellent corrosion resistance in acid mediums, especially in hydrofluoric acid mediums. In particular surprisingly, when Cu and Ni are introduced into the powder sintered porous metal by Cu element powders and Ni element powders doped in the raw material powders, the powder sintered porous metal has significantly improved permeability and backflushing regeneration property.
摘要翻译：公开了一种粉末烧结多孔金属，具有更好的综合性能，特别是对氢氟酸具有良好的耐腐蚀性，以及使用其的过滤元件。本发明的粉末烧结多孔金属在浸入氢氟酸溶液中后，孔隙率为25〜60％，平均孔径为0.5〜50μm，重量损失率为1％以下，质量分数为 5％在室温下20天; 并且粉末烧结金属多孔体由Cu占23-40重量％组成，Si占0-5％，余量为Ni，基于粉末烧结金属多孔体的重量。本发明的粉末烧结多孔金属具有良好的机械性能和机械加工性，并且在酸性介质中，特别是在氢氟酸介质中具有优异的耐腐蚀性。特别令人惊奇的是，当通过在原料粉末中掺杂的Cu元素粉末和Ni元素粉末将Cu和Ni引入到粉末烧结多孔金属中时，粉末烧结多孔金属具有显着改善的渗透性和反吹再生性能。

8. 发明授权

US10722945B2 Flexible porous metal foil and preparation method therefor 有权
公开(公告)号：US10722945B2
公开(公告)日：2020-07-28
申请号：US15523044
申请日：2015-10-31
申请人： INTERMET TECHNOLOGIES CHENGDU CO., LTD
发明人： Lin Gao , Tao Wang , Tao Wang , Bo Li
IPC分类号： B22F3/11 , B22F3/10 , B22F1/00 , B22F3/22 , B22F5/00 , C22C19/03
摘要： A piece of flexible porous metal foil is a sheet made of porous metal material using solid solution alloy, face-centered cubic metal simple substance or body-centered cubic metal simple substance as matrix phase. The thickness of the sheet is 5 to 200 micrometers, the average aperture thereof is 0.05 to 100 micrometers, the porosity thereof is 15-70%, and the sheet is made by sintering a homogeneous film. The preparation method for the flexible porous metal foil comprises: (1) preparing thick turbid liquid with raw material powder forming the metal porous material by using dispersing agent and binding agent; (2) injecting the turbid liquid into a mold cavity of a film manufacturing fixture, and drying the turbid liquid to form a piece of homogeneous film; (3) putting the film into a sintering manufacturing fixture matching with the film in shape, then sintering the film, and taking the film out after sintering and obtaining the flexible porous metal foil. The flexible porous metal foil made by the above method can be used in many fields, and have ideal performance in flexible and chemical stability.

9. 发明授权

US10159920B2 Sintered Fe—Al based porous alloy material with high-temperature oxidization resistance and filtering elements 有权
公开(公告)号：US10159920B2
公开(公告)日：2018-12-25
申请号：US14908467
申请日：2014-06-30
申请人： Intermet Technologies Chengdu Co., Ltd.
发明人： Lin Gao , Tao Wang , Bo Li
IPC分类号： B01D39/20 , B22F3/11 , C22C1/08 , C22C33/02 , C22C38/18 , B22F1/00 , B22F5/10 , C22C38/06
摘要： Disclosed are a sintered Fe—Al based alloy porous material with high temperature oxidation resistance and a filter element using same. The porous material has a porosity of 30-60% and an average pore diameter of 0.5-50 μm, and has that: a) it mainly consists of three elements of Fe, Al and Cr, and the total weight of these three elements accounts for at least 90% of the weight of the porous material, wherein the weight of Fe is 60-85% of the total weight of Fe and Al, and the weight of Cr is 10-30% of the total weight of Fe, Al and Cr; b) the Cr in the porous material mainly presents in the form of a chromium compound of a Fe—Al based compound, or mainly presents in the form of a chromium compound of the Fe—Al based compound and FeCr, and is almost uniformly dispersed in the porous material; and c) it has a tensile strength≥45 MPa, an air flux≥80 m3/m2·KPa·h for the sintered Fe—Al based alloy porous material with a thickness≤5 mm, a weight loss rate of at most 0.5% after being immersed into a NaOH solution with a mass fraction of 10% at room temperature for 15 days, and a material weight gain rate of at most 0.25% after being kept at 1000° C. in air for 90 hours.

10. 发明申请

US20170333992A1 FLEXIBLE POROUS METAL FOIL AND PREPARATION METHOD THEREFOR 审中-公开
公开(公告)号：US20170333992A1
公开(公告)日：2017-11-23
申请号：US15523044
申请日：2015-10-31
申请人： Intermet Technologies Chengdu Co., Ltd.
发明人： Lin Gao , Tao Wang , Tao Wang , Bo Li
IPC分类号： B22F3/11 , B22F3/10 , B22F1/00 , B22F3/22 , C22C19/03 , B22F5/00
摘要： A piece of flexible porous metal foil is a sheet made of porous metal material using solid solution alloy, face-centered cubic metal simple substance or body-centered cubic metal simple substance as matrix phase. The thickness of the sheet is 5 to 200 micrometers, the average aperture thereof is 0.05 to 100 micrometers, the porosity thereof is 15-70%, and the sheet is made by sintering a homogeneous film. The preparation method for the flexible porous metal foil comprises: (1) preparing thick turbid liquid with raw material powder forming the metal porous material by using dispersing agent and binding agent; (2) injecting the turbid liquid into a mold cavity of a film manufacturing fixture, and drying the turbid liquid to form a piece of homogeneous film; (3) putting the film into a sintering manufacturing fixture matching with the film in shape, then sintering the film, and taking the film out after sintering and obtaining the flexible porous metal foil. The flexible porous metal foil made by the above method can be used in many fields, and have ideal performance in flexible and chemical stability.

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