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。

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。

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.

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。

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.

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。

公开(公告)号：US20120285584A1

公开(公告)日：2012-11-15

申请号：US13492984

申请日：2012-06-11

申请人： Zitao Wang ,  Bo Wang ,  Shishu Xie ,  Bingzhong Jin ,  Aihua Ma ,  Liang Zou ,  Yuhua Zhu ,  Zhanyuan Hu ,  Xiao Chen

发明人： Zitao Wang ,  Bo Wang ,  Shishu Xie ,  Bingzhong Jin ,  Aihua Ma ,  Liang Zou ,  Yuhua Zhu ,  Zhanyuan Hu ,  Xiao Chen

IPC分类号： C21D8/00

CPC分类号： C22C38/00 ,  C21D1/00 ,  C21D6/008 ,  C21D8/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  H01F1/16

摘要： A manufacture process of non-oriented silicon steel with high magnetic induction includes smelting and casting steel having a chemical composition by weight percent: Si 0.1˜1%, Al 0.005˜1.0%, C≦0.004%, Mn=0.10˜1.50%, P≦0.2%, S≦0.005%, N≦0.002, Nb+V+Ti≦0.006%, and the rest is Fe. The steel is cast into a billet, which is heated and hot-rolled to 1150˜1200° C. into a plate at a finish-rolling temperature 830˜900° C. The plate is cooled to a temperature ≧570° C. and cold-roll flattened at compression ratio 2˜5%. The flattened plate is normalized at temperature not below 950° C. for 30˜180s, and then pickled and cold-rolled into a sheet with thickness of the finished product. The sheet is finish-annealed quickly heating the sheet to 800˜1000° C. at temperature rise rate ≧100° C./s, soaking the heated sheet for 5˜60s at the temperature, and then slowly cooling the sheet to 600˜750° C.

摘要翻译： 具有高磁感应性的非取向硅钢的制造方法包括以重量％计的化学组成的熔炼和铸造钢：Si 0.1〜1％，Al 0.005〜1.0％，C n N eE 0.004％，Mn = 0.10〜1.50％ Pnn; 0.2％，S＆NlE; 0.005％，N＆amp; NlE; 0.002，Nb + V + Ti＆NlE; 0.006％，其余为Fe。 钢被铸造成坯料，将其在830〜900℃的精轧温度下进行加热并热轧至1150〜1200℃。将板冷却至570℃以上的温度， 冷轧压扁比为2〜5％。 将扁平板在不低于950℃的温度下归一化30至180秒，然后酸洗并冷轧成具有成品厚度的片材。 该片材经过完全退火，将片材快速加热至800〜1000℃，升温速度≥100℃/ s，在加热的温度下浸泡5〜60s，然后缓慢冷却至600〜 750°C

公开(公告)号：US09659694B2

公开(公告)日：2017-05-23

申请号：US14372709

申请日：2012-03-27

申请人： Aihua Ma ,  Bo Wang ,  Xiandong Liu ,  Liang Zou ,  Shishu Xie ,  Hongxu Hei

发明人： Aihua Ma ,  Bo Wang ,  Xiandong Liu ,  Liang Zou ,  Shishu Xie ,  Hongxu Hei

IPC分类号： H01F1/147 ,  C22C38/06 ,  C22C38/60 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C21D6/00 ,  C21D8/12 ,  H01F1/16 ,  B21B1/00 ,  C21D9/46

CPC分类号： H01F1/14775 ,  B21B1/00 ,  C21D6/008 ,  C21D8/12 ,  C21D8/1233 ,  C21D8/1261 ,  C21D8/1272 ,  C21D9/46 ,  C22C38/001 ,  C22C38/004 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/60 ,  H01F1/14791 ,  H01F1/16

摘要： Disclosed are a non-oriented electrical steel plate with low iron loss and high magnetic conductivity and a manufacturing process therefor. The casting blank of the steel plate comprises the following components: Si: 0.1-2.0 wt %, Al: 0.1-1.0 wt %, Mn: 0.10-1.0 wt %, C: ≦0.005 wt %, P: ≦0.2 wt %, S: ≦0.005 wt %, N: ≦0.005 wt %, the balance being Fe and unavoidable impurities. The magnetic conductivity of the steel plate meets the following relationship formula: μ10+μ13+μ15≧13982−586.5P15/50; μ10+μ13+μ15≧10000, wherein P15/50 is the iron loss at a magnetic induction intensity of 1.5 T at 50 Hz; μ10, μ13, and μ15 are relative magnetic conductivities at induction intensities of 1.0 T, 1.3 T, and 1.5 T at 50 Hz, respectively. The steel plate can be used for manufacturing highly effective and ultra-highly effective electric motors.

公开(公告)号：US10385414B2

公开(公告)日：2019-08-20

申请号：US14371013

申请日：2012-03-29

申请人： Liang Zou ,  Bo Wang ,  Xiandong Liu ,  Aihua Ma ,  Shishu Xie ,  Hongxu Hei

发明人： Liang Zou ,  Bo Wang ,  Xiandong Liu ,  Aihua Ma ,  Shishu Xie ,  Hongxu Hei

IPC分类号： C21D8/12 ,  C22C38/04 ,  C22C38/06 ,  C22C38/00 ,  C22C38/02 ,  C21C7/00 ,  C21C7/064 ,  H01F1/16 ,  C22C38/12 ,  C22C38/14 ,  H01F1/147

摘要： An unoriented silicon steel having high magnetic conductivity and low iron loss at a working magnetic density of 1.0-1.5 T and method for manufacturing same. By proper deoxidation control in a RH refining and high-temperature treatment for a short time in a normalizing step, the method can reduce the amount of inclusions in the silicon steel and improve grain shape, so as to improve the magnetic conductivity and iron loss of the unoriented silicon steel at a magnetic density of 1.0-1.5 T.

公开(公告)号：US09816152B2

公开(公告)日：2017-11-14

申请号：US13637611

申请日：2011-04-27

申请人： Aihua Ma ,  Bo Wang ,  Shishu Xie ,  Zhanyuan Hu ,  Liang Zou ,  Zitao Wang ,  Yuhua Zhu ,  Jie Huang ,  Bingzhong Jin ,  Xiandong Liu

发明人： Aihua Ma ,  Bo Wang ,  Shishu Xie ,  Zhanyuan Hu ,  Liang Zou ,  Zitao Wang ,  Yuhua Zhu ,  Jie Huang ,  Bingzhong Jin ,  Xiandong Liu

IPC分类号： C21D8/00 ,  C22C38/60 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/14 ,  C21D8/12 ,  H01F1/16

CPC分类号： C21D8/005 ,  C21D8/1261 ,  C21D8/1272 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/14 ,  C22C38/60 ,  H01F1/16

摘要： A manufacture method of high-efficiency non-oriented silicon steel with excellent magnetic property includes the steps of smelting a chemical composition of non-oriented silicon steel, by weight percent, is: C≦0.0040%, Si:0.1˜0.8%, Al:0.002˜1.0%, Mn:0.10˜1.50%, P:≦0.2%, Sb:0.04˜0.08%, S≦0.0030%, N≦0.0020%, Ti≦0.0020%, and the rest is Fe and unavoidable inclusions. The molten steel is then cast into billets which are hot-rolled into a hot-rolled product. The heating temperature for the billet is 1100°˜1150° and the finish-rolling temperature is 860°˜920°. The hot-rolled product is then air cooled for a period of time within a range determined by air cooling time t: (2+30xSb %)s≦t≦7 s. The hot-rolled product is reeled at a temperature ≧720° and cold-rolled to form cold-rolled plate with a target thickness at a reduction ratio of 70˜78% followed by heating up the cold-rolled plate to 800˜1000° at heating rate of ≧15°/s, and holding time of 10 s˜25 s.