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11. 发明申请

US20150034212A1 Non-Oriented Electrical Steel Sheet with Fine Magnetic Performance, and Calcium Treatment Method Therefor 审中-公开
标题翻译：具有细磁性能的非取向电工钢板及其钙处理方法
公开(公告)号：US20150034212A1
公开(公告)日：2015-02-05
申请号：US14379529
申请日：2012-03-27
申请人： Feng Zhang , Xiandong Liu , Shishu Xie , Xuejun Lu , Xiao Chen , Aihua Ma , Peili Zhang , Yanwei Wang , Lan Zhang , Hongxu Hei
发明人： Feng Zhang , Xiandong Liu , Shishu Xie , Xuejun Lu , Xiao Chen , Aihua Ma , Peili Zhang , Yanwei Wang , Lan Zhang , Hongxu Hei
IPC分类号： H01F1/147 , C21C7/068 , C22C38/00 , C22C38/06 , C22C38/04 , C22C38/02 , C21C7/06 , C21C7/00
CPC分类号： H01F1/14775 , C21C7/0006 , C21C7/06 , C21C7/068 , C21C7/10 , C21D8/12 , C21D9/46 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/06 , H01F1/14766 , H01F1/14791 , H01F1/16
摘要： A non-oriented electrical steel sheet with fine magnetic performance, and a calcium treatment method therefor, including an RH (Ruhrstahl-Heraeus) refinement step. The RH refinement step sequentially comprises a decarbonization step, an aluminum deoxidation step, and a step of adding calcium alloy. In the step of adding calcium alloy, time when the calcium alloy is added satisfies the following condition: time interval between Al and Ca/total time after ΣAl=0.2-0.8. In this method, production cost is reduced, the production process is simple, a normal processing cycle of RH refinement is not affected, the device is convenient in operation and is controllable, and foreign substances are controllable in both shape and quantities. The non-oriented electrical steel sheet prepared according to the present invention has fine magnetic performance, and the method can be used for mass production of the non-oriented electrical steel sheet with fine magnetic performance.
摘要翻译：一种具有细磁性能的无取向电工钢板及其钙处理方法，包括RH（Ruhrstahl-Heraeus）精制步骤。 RH精炼步骤依次包括脱碳步骤，铝脱氧步骤和添加钙合金的步骤。在添加钙合金的步骤中，添加钙合金的时间满足以下条件：Al与Ca之间的时间间隔/ Al = 0.2-0.8之后的总时间。在这种方法中，生产成本降低，生产工艺简单，RH精加工的正常加工周期不受影响，设备操作方便，可控，异物在形状和数量上都是可控的。根据本发明制备的无取向电工钢板具有优良的磁性能，并且该方法可用于批量生产具有优良磁性能的无方向性电工钢板。

12. 发明授权

US10147528B2 Non-oriented electrical steel sheet with fine magnetic performance, and calcium treatment method therefor 有权
公开(公告)号：US10147528B2
公开(公告)日：2018-12-04
申请号：US14379529
申请日：2012-03-27
申请人： Feng Zhang , Xiandong Liu , Shishu Xie , Xuejun Lu , Xiao Chen , Aihua Ma , Peili Zhang , Yanwei Wang , Lan Zhang , Hongxu Hei
发明人： Feng Zhang , Xiandong Liu , Shishu Xie , Xuejun Lu , Xiao Chen , Aihua Ma , Peili Zhang , Yanwei Wang , Lan Zhang , Hongxu Hei
IPC分类号： H01F1/147 , C21C7/10 , C22C38/06 , C22C38/00 , C22C38/02 , C22C38/04 , C21D8/12 , C21D9/46 , C21C7/06 , H01F1/16 , C21C7/00 , C21C7/068
摘要： A non-oriented electrical steel sheet with fine magnetic performance, and a calcium treatment method therefor, including an RH (Ruhrstahl-Heraeus) refinement step. The RH refinement step sequentially comprises a decarbonization step, an aluminum deoxidation step, and a step of adding calcium alloy. In the step of adding calcium alloy, time when the calcium alloy is added satisfies the following condition: time interval between Al and Ca/total time after ΣAl=0.2-0.8. In this method, production cost is reduced, the production process is simple, a normal processing cycle of RH refinement is not affected, the device is convenient in operation and is controllable, and foreign substances are controllable in both shape and quantities. The non-oriented electrical steel sheet prepared according to the present invention has fine magnetic performance, and the method can be used for mass production of the non-oriented electrical steel sheet with fine magnetic performance.

13. 发明授权

US09738946B2 Method for producing silicon steel normalizing substrate 有权
公开(公告)号：US09738946B2
公开(公告)日：2017-08-22
申请号：US14379595
申请日：2012-03-27
申请人： Hongxu Hei , Xiao Chen , Xiandong Liu , Shishu Xie , Dejun Su , Runjie Lin , Peili Zhang , Rongqiang Jiang , Miao Ye
发明人： Hongxu Hei , Xiao Chen , Xiandong Liu , Shishu Xie , Dejun Su , Runjie Lin , Peili Zhang , Rongqiang Jiang , Miao Ye
IPC分类号： C21D8/12 , C21D1/28 , C21D1/34 , H01F41/00 , C21D9/56
CPC分类号： C21D8/1261 , C21D1/28 , C21D1/34 , C21D9/561 , H01F41/00
摘要： A method for producing a silicon steel normalizing substrate comprises steelmaking, hot rolling and normalizing steps. A normalizing furnace is used in the normalizing step, and along a moving direction of strip steel, the normalizing furnace sequentially comprises: a preheating section, a nonoxidizing heating section, a furnace throat, furnace sections for subsequent normalizing processing, and a delivery seal chamber. Furnace pressures of the normalizing furnace are distributed as follows: the furnace pressure of a downstream furnace section adjacent to the furnace throat along the moving direction of the strip steel is the highest, the furnace pressure decreases gradually from the furnace section with the highest furnace pressure to a furnace section in an inlet direction of the normalizing furnace, and the furnace pressure decreases gradually from the furnace section with the highest furnace pressure to a furnace section in an outlet direction of the normalizing furnace.

14. 发明授权

US09406416B2 Method of producing extremely thick insulation coating on surface of electrical steel 有权
标题翻译：在电工钢表面生产极厚绝缘涂层的方法
公开(公告)号：US09406416B2
公开(公告)日：2016-08-02
申请号：US14348357
申请日：2011-12-14
申请人： Yongqiang Lu , Chunguo Lv , Zhicheng Wang , Bin Chen , Xiao Chen , Shishu Xie
发明人： Yongqiang Lu , Chunguo Lv , Zhicheng Wang , Bin Chen , Xiao Chen , Shishu Xie
IPC分类号： H01B13/06 , B05C9/04 , H01B13/00 , B05D1/28 , C09D5/08 , B05D7/14 , H01F1/18 , B05D3/02 , B05D3/04
CPC分类号： H01B13/06 , B05C9/04 , B05D1/28 , B05D3/0272 , B05D3/0413 , B05D7/14 , B05D2202/10 , B05D2252/10 , C09D5/08 , C09D5/084 , H01B13/0016 , H01F1/18
摘要： A method of producing an extremely thick insulation coating on a surface of an electrical steel, comprises the following steps: 1) preparing a coating liquid—stirring sufficiently the coating liquid for 0.1˜4 hours, with the viscosity of the coating liquid being within 10˜80 S; 2) coating a strip steel—using a double-roller or a tri-roller coating machine, wherein the film thickness and evenness can be controlled by adjusting different parameters; 3) baking the coating—using three sections, that is, a drying section, a baking section and a cooling section, to bake the coating, wherein the temperature in the drying section is 100˜400° C., the temperature in the baking section is 200˜370° C.; the time in the whole drying and solidification section is 33˜144 seconds, wherein the time in the drying section is 9˜39 seconds, and the baking time is 24˜105 seconds; wherein in the baking process, the strip steel having been coated is conveyed in a non-contact way, in particular, the strip steel is conveyed by blowing pressure-adjustable air onto the lower surface to make it float; the air pressure is 0˜2000 Pa; the wet film is kept out of contact with the furnace rollers before it is solidified, guaranteeing that the surface of wet film is intact; 4) online detecting the film thickness.
摘要翻译：一种在电工钢表面制造极厚绝缘涂层的方法，包括以下步骤：1）将涂布液充分搅拌0.1〜4小时，涂布液的粘度在10以下〜80 S; 2）使用双辊或三辊涂布机涂覆钢带钢，其中膜厚度和均匀度可以通过调节不同的参数来控制; 3）烘烤涂覆使用的三个部分，即干燥部分，烘烤部分和冷却部分，以烘烤涂层，其中干燥部分的温度为100〜400℃，烘烤温度截面为200〜370℃。整个干燥固化段的时间为33〜144秒，干燥段的时间为9〜39秒，烘烤时间为24〜105秒; 其特征在于，在烘烤工序中，以非接触的方式输送已经被涂布的带状钢，特别是通过将压力可调节的空气吹到下表面上而使其浮起来输送带状钢; 气压0〜2000Pa; 湿膜在凝固之前与炉辊保持脱离接触，保证湿膜的表面完整无损; 4）在线检测薄膜厚度。

15. 发明申请

US20150064343A1 METHOD OF PRODUCING EXTREMELY THICK INSULATION COATING ON SURFACE OF ELECTRICAL STEEL 有权
标题翻译：在电工钢表面生产超细厚度绝缘涂层的方法
公开(公告)号：US20150064343A1
公开(公告)日：2015-03-05
申请号：US14348357
申请日：2011-12-14
申请人： Yongqiang Lu , Chunguo Lv , Zhicheng Wang , Bin Chen , Xiao Chen , Shishu Xie
发明人： Yongqiang Lu , Chunguo Lv , Zhicheng Wang , Bin Chen , Xiao Chen , Shishu Xie
IPC分类号： H01B13/06 , H01B13/00
CPC分类号： H01B13/06 , B05C9/04 , B05D1/28 , B05D3/0272 , B05D3/0413 , B05D7/14 , B05D2202/10 , B05D2252/10 , C09D5/08 , C09D5/084 , H01B13/0016 , H01F1/18
摘要： A method of producing an extremely thick insulation coating on a surface of an electrical steel, comprises the following steps: 1) preparing a coating liquid—stirring sufficiently the coating liquid for 0.1˜4 hours, with the viscosity of the coating liquid being within 10˜80 S; 2) coating a strip steel—using a double-roller or a tri-roller coating machine, wherein the film thickness and evenness can be controlled by adjusting different parameters; 3) baking the coating—using three sections, that is, a drying section, a baking section and a cooling section, to bake the coating, wherein the temperature in the drying section is 100˜400° C., the temperature in the baking section is 200˜370° C.; the time in the whole drying and solidification section is 33˜144 seconds, wherein the time in the drying section is 9˜39 seconds, and the baking time is 24˜105 seconds; wherein in the baking process, the strip steel having been coated is conveyed in a non-contact way, in particular, the strip steel is conveyed by blowing pressure-adjustable air onto the lower surface to make it float; the air pressure is 0˜2000 Pa; the wet film is kept out of contact with the furnace rollers before it is solidified, guaranteeing that the surface of wet film is intact; 4) online detecting the film thickness.
摘要翻译：一种在电工钢表面制造极厚绝缘涂层的方法，包括以下步骤：1）将涂布液充分搅拌0.1〜4小时，涂布液的粘度在10以下〜80 S; 2）使用双辊或三辊涂布机涂覆钢带钢，其中膜厚度和均匀度可以通过调节不同的参数来控制; 3）烘烤涂布使用的三个部分，即干燥部分，烘烤部分和冷却部分，以烘烤涂层，其中干燥部分中的温度为100〜400℃，烘烤温度截面为200〜370℃。整个干燥固化段的时间为33〜144秒，干燥段的时间为9〜39秒，烘烤时间为24〜105秒; 其特征在于，在烘烤工序中，以非接触的方式输送已经被涂布的带状钢，特别是通过将压力可调节的空气吹到下表面上而使其浮起来输送带状钢; 气压0〜2000Pa; 湿膜在凝固之前与炉辊保持脱离接触，保证湿膜的表面完整无损; 4）在线检测薄膜厚度。

16. 发明申请

US20150013846A1 Method for Producing Silicon Steel Normalizing Substrate 有权
标题翻译：生产硅钢标准化基板的方法
公开(公告)号：US20150013846A1
公开(公告)日：2015-01-15
申请号：US14379595
申请日：2012-03-27
申请人： Hongxu Hei , Xiao Chen , Xiandong Liu , Shishu Xie , Dejun Su , Runjie Lin , Peili Zhang , Rongqiang Jiang , Miao Ye
发明人： Hongxu Hei , Xiao Chen , Xiandong Liu , Shishu Xie , Dejun Su , Runjie Lin , Peili Zhang , Rongqiang Jiang , Miao Ye
IPC分类号： C21D8/12 , C21D1/34 , H01F41/00
CPC分类号： C21D8/1261 , C21D1/28 , C21D1/34 , C21D9/561 , H01F41/00
摘要： A method for producing a silicon steel normalizing substrate comprises steelmaking, hot rolling and normalizing steps. A normalizing furnace is used in the normalizing step, and along a moving direction of strip steel, the normalizing furnace sequentially comprises: a preheating section, a nonoxidizing heating section, a furnace throat, furnace sections for subsequent normalizing processing, and a delivery seal chamber. Furnace pressures of the normalizing furnace are distributed as follows: the furnace pressure of a downstream furnace section adjacent to the furnace throat along the moving direction of the strip steel is the highest, the furnace pressure decreases gradually from the furnace section with the highest furnace pressure to a furnace section in an inlet direction of the normalizing furnace, and the furnace pressure decreases gradually from the furnace section with the highest furnace pressure to a furnace section in an outlet direction of the normalizing furnace.
摘要翻译：一种硅钢标准化衬底的制造方法包括炼钢，热轧和归一化步骤。在归一化步骤中使用归一化炉，并且沿着带钢的移动方向，归一化炉依次包括：预热部，非氧化加热部，炉喉，随后的标准化处理的炉部，以及输送密封室。归一化炉的炉压分布如下：沿钢带移动方向与炉喉相邻的下游炉段的炉膛压力最高，炉膛压力从炉膛最高炉膛压力逐渐降低到归一化炉的入口方向的炉段，并且炉压力从具有最高炉压的炉段逐渐降低到归一化炉的出口方向的炉段。

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