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    • 3. 发明授权
    • On-line detection method of chromium-free coating film thickness on surface of strip steel
    • 带钢无铬涂层厚度在线检测方法
    • US08673641B2
    • 2014-03-18
    • US13529863
    • 2012-06-21
    • Yongqiang LuChunguo LvZhicheng Wang
    • Yongqiang LuChunguo LvZhicheng Wang
    • G01B21/08
    • G01B15/02G01B1/00G01N23/00
    • A measuring method of chromium-free coating film thickness on surface of strip steel comprising selecting two water-soluble chemical substances containing elements P, Ca, Ti, Ba or Sr and not reacting with a chromium-free coating liquid; adding the chemical substances into the chromium-free coating liquid and agitating them to be homogeneous, thereafter, fabricating a reference sample of coating film; using a ray emitted by an off-line film thickness instrument to excite the two water-soluble chemical substances so as to obtain characteristic spectrums to obtain a correction function expression between the measured film thickness and the thickness correction value by fitting; adding the water-soluble chemical substance which has a weak characteristic spectrum into a chromium-free coating liquid, and using the expression to obtain the actual coating film thickness. The method is capable to monitor film thickness with no adverse effect on adhesiveness and corrosion-proof of the coating film.
    • 选择两种含有元素P,Ca,Ti,Ba或Sr的水溶性化学物质,不与无铬涂层液反应的无铬涂膜厚度测定方法; 将化学物质添加到无铬涂层液中并搅拌均匀,然后制造涂膜参考样品; 使用离线膜厚仪器发射的射线激发两种水溶性化学物质,以获得特征谱,通过拟合获得测量的膜厚度和厚度校正值之间的校正函数表达式; 将具有弱特征谱的水溶性化学物质加入到无铬涂布液中,并使用表达式获得实际涂膜厚度。 该方法能够监测膜厚度,对涂膜的粘合性和耐腐蚀性没有不利影响。
    • 6. 发明授权
    • Method of producing extremely thick insulation coating on surface of electrical steel
    • 在电工钢表面生产极厚绝缘涂层的方法
    • US09406416B2
    • 2016-08-02
    • US14348357
    • 2011-12-14
    • Yongqiang LuChunguo LvZhicheng WangBin ChenXiao ChenShishu Xie
    • Yongqiang LuChunguo LvZhicheng WangBin ChenXiao ChenShishu Xie
    • H01B13/06B05C9/04H01B13/00B05D1/28C09D5/08B05D7/14H01F1/18B05D3/02B05D3/04
    • H01B13/06B05C9/04B05D1/28B05D3/0272B05D3/0413B05D7/14B05D2202/10B05D2252/10C09D5/08C09D5/084H01B13/0016H01F1/18
    • 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.
    • 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。
    • 7. 发明申请
    • METHOD OF PRODUCING EXTREMELY THICK INSULATION COATING ON SURFACE OF ELECTRICAL STEEL
    • 在电工钢表面生产超细厚度绝缘涂层的方法
    • US20150064343A1
    • 2015-03-05
    • US14348357
    • 2011-12-14
    • Yongqiang LuChunguo LvZhicheng WangBin ChenXiao ChenShishu Xie
    • Yongqiang LuChunguo LvZhicheng WangBin ChenXiao ChenShishu Xie
    • H01B13/06H01B13/00
    • H01B13/06B05C9/04B05D1/28B05D3/0272B05D3/0413B05D7/14B05D2202/10B05D2252/10C09D5/08C09D5/084H01B13/0016H01F1/18
    • 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.
    • 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。