-
1.发明授权公开(公告)号：US09727061B2
公开(公告)日：2017-08-08
申请号：US13881698
申请日：2011-04-14
申请人： Yongfeng Liu , Huazhong Gu , Guoqiang Qian , Bin Yin , Dejian Wen , Hongxu Hei , Jun Zhang , Deyang Hu
发明人： Yongfeng Liu , Huazhong Gu , Guoqiang Qian , Bin Yin , Dejian Wen , Hongxu Hei , Jun Zhang , Deyang Hu
摘要： A method for controlling furnace pressure of a continuous annealing furnace is disclosed. The method comprises detecting a coal gas flow volume and an air flow volume in each section by use of a coal gas flow volume detector and an air flow volume detector disposed in each section of a continuous annealing furnace, respectively, adding up the coal gas flow volume detected in each section to obtain a total input coal gas flow volume; adding up the air flow volume detected in each section to obtain a total input air flow volume, and calculating a pre-combustion gas pressure in the furnace based on the total input coal gas flow volume and the total input air flow volume; detecting compositions of the coal gas and a ratio of the coal gas to the air by use of a composition detector; detecting a pre-combustion gas temperature in the furnace by use of a thermocouple; predicting post-combustion gas compositions and a total gas volume based on chemical combustion reaction equations and based on the total input coal gas flow volume, the total input air flow volume, the coal gas compositions and the ratio of the coal gas to the air; igniting the coal gas and the air in the furnace; and detecting a post-combustion gas temperature in the furnace by use of a thermocouple; calculating a post-combustion gas pressure in the furnace based on the pre-combustion gas pressure in the furnace, pre-combustion gas temperature in the furnace and the post-combustion gas temperature in the furnace; and calculating an opening degree for an exhaust gas fan based on the pre-combustion gas pressure in the furnace and the post-combustion gas pressure in the furnace and by use of a gas increment pass algorithm, and using the opening degree to control the exhaust gas fan.
-
2.发明申请公开(公告)号：US20140364994A1
公开(公告)日：2014-12-11
申请号：US13881682
申请日：2011-04-27
申请人： Yongfeng Liu , Guoqiang Qian , Huazhong Gu , Rong Chen , Zhicheng Wang , Chunguo Lv , Dejian Wen , Peili Zhang
发明人： Yongfeng Liu , Guoqiang Qian , Huazhong Gu , Rong Chen , Zhicheng Wang , Chunguo Lv , Dejian Wen , Peili Zhang
CPC分类号： G05B23/0235 , C21D1/34 , C21D11/00 , F23N1/022 , F23N2005/181 , F23N2005/185 , F23N2023/14 , F23N2023/34 , F23N2023/36 , F23N2023/52 , F23N2025/14 , F23N2025/16 , F27D19/00 , F27D21/00 , F27D21/0014 , F27D2019/0003 , G05B11/42 , G05B13/0265 , G05D23/19 , G05D23/1919
摘要： A method for controlling furnace temperature of a fired heating furnace is disclosed, comprising: measuring furnace temperatures to obtain furnace temperature feedback values; calculating the differences between furnace temperature setting values and the furnace temperature feedback values as discrepancy values DV1, in accordance with the furnace temperature feedback values and the furnace temperature setting value; calculating the differences between the furnace temperature setting values and the furnace temperature feedback values in a unit time, i.e., the gradient of furnace temperature change values, as discrepancy values DV2; obtaining a speed V of a fired heater machine set from a speed adjuster of the fired heater machine set, and obtaining a first multiple feed forward output components FFV in accordance with the speed V of the machine set (V); obtaining a second multiple feed forward output components FFT in accordance with the differences between the furnace temperature setting values and the furnace temperature feedback values, i.e., the discrepancy values DV1; looking up a PID control parameter in accordance with the discrepancy values DV1 and DV2, based on fuzzy control rule, and creating an adjusting control parameter OP1 in accordance with the PID control parameter; controlling a valve for regulating coal gas flow and a valve for regulating air flow by combining the adjusting control parameter OP1 with the first multiple feed forward components FFV and the second multiple feed forward components FFT as a final control output value.
摘要翻译： 公开了一种用于控制燃烧加热炉的炉温的方法，包括：测量炉温以获得炉温反馈值; 根据炉温反馈值和炉温设定值，计算炉温设定值与炉温反馈值之间的差值作为差值DV1; 计算炉温度设定值和炉温反馈值之间的差异，单位时间，即炉温变化值的梯度作为差值DV2; 获得从所述燃烧加热器机组的速度调节器设定的燃烧加热器机构的速度V，并且根据所述机器组（V）的速度V获得第一多个前馈输出分量FFV; 根据炉温设定值和炉温反馈值（即差值DV1）之间的差异，获得第二多重前馈输出分量FFT; 根据模糊控制规则，根据差值DV1和DV2查找PID控制参数，并根据PID控制参数创建调整控制参数OP1; 通过将调节控制参数OP1与第一多个前馈分量FFV和第二多个前馈分量FFT组合作为最终控制输出值来控制用于调节煤气流量的阀和用于调节气流的阀。
-
3.发明申请METHOD AND APPARATUS FOR CONTROLLING A FURNACE PRESSURE OF A CONTINUOUS ANNEALING FURNACE 有权用于控制连续退火炉的炉膛压力的方法和装置公开(公告)号：US20130304263A1
公开(公告)日：2013-11-14
申请号：US13881698
申请日：2011-04-14
申请人： Yongfeng Liu , Huazhong Gu , Guoqiang Qian , Bin Yin , Dejian Wen , Hongxu Hei , Jun Zhang
发明人： Yongfeng Liu , Huazhong Gu , Guoqiang Qian , Bin Yin , Dejian Wen , Hongxu Hei , Jun Zhang
IPC分类号： G05D16/20
摘要： A method for controlling furnace pressure of a continuous annealing furnace is disclosed. The method comprises detecting a coal gas flow volume and an air flow volume in each section by use of a coal gas flow volume detector and an air flow volume detector disposed in each section of a continuous annealing furnace, respectively, adding up the coal gas flow volume detected in each section to obtain a total input coal gas flow volume; adding up the air flow volume detected in each section to obtain a total input air flow volume, and calculating a pre-combustion gas pressure in the furnace based on the total input coal gas flow volume and the total input air flow volume; detecting compositions of the coal gas and a ratio of the coal gas to the air by use of a composition detector; detecting a pre-combustion gas temperature in the furnace by use of a thermocouple; predicting post-combustion gas compositions and a total gas volume based on chemical combustion reaction equations and based on the total input coal gas flow volume, the total input air flow volume, the coal gas compositions and the ratio of the coal gas to the air; igniting the coal gas and the air in the furnace; and detecting a post-combustion gas temperature in the furnace by use of a thermocouple; calculating a post-combustion gas pressure in the furnace based on the pre-combustion gas pressure in the furnace, pre-combustion gas temperature in the furnace and the post-combustion gas temperature in the furnace; and calculating an opening degree for an exhaust gas fan based on the pre-combustion gas pressure in the furnace and the post-combustion gas pressure in the furnace and by use of a gas increment pass algorithm, and using the opening degree to control the exhaust gas fan.
摘要翻译： 公开了一种用于控制连续退火炉的炉压的方法。 该方法包括通过使用分别设置在连续退火炉的每个部分中的煤气流量检测器和空气流量检测器来分别检测每个部分中的煤气流量和空气流量，将煤气流 在每个部分检测到体积，以获得总输入煤气流量; 将每个部分检测到的空气流量相加，得到总输入空气流量，并根据总输入煤气流量和总输入空气流量计算炉内预燃气压; 通过使用组合物检测器来检测煤气的组成和煤气与空气的比例; 通过使用热电偶检测炉内的预燃气体温度; 基于化学燃烧反应方程，基于总输入煤气流量，总输入空气流量，煤气组成和煤气与空气的比例来预测燃烧后气体组成和总气体体积; 点燃炉内的煤气和空气; 并利用热电偶检测炉内的后燃气温度; 基于炉内的预燃气体压力，炉内预燃气体温度和炉内后燃气温度计算炉内燃烧后气体压力; 并根据炉内的预燃气体压力和炉内后燃气体压力计算排气扇的开度，并利用气体增量通过算法，并使用开度来控制排气 气扇。
-
4.发明授权公开(公告)号：US09383745B2
公开(公告)日：2016-07-05
申请号：US13881682
申请日：2011-04-27
申请人： Yongfeng Liu , Guoqiang Qian , Huazhong Gu , Rong Chen , Zhicheng Wang , Chunguo Lv , Dejian Wen , Peili Zhang
发明人： Yongfeng Liu , Guoqiang Qian , Huazhong Gu , Rong Chen , Zhicheng Wang , Chunguo Lv , Dejian Wen , Peili Zhang
IPC分类号： G05B23/02 , G05B13/02 , G05B11/42 , C21D11/00 , F23N1/02 , F27D19/00 , F27D21/00 , G05D23/19 , C21D1/34 , F23N5/18
CPC分类号： G05B23/0235 , C21D1/34 , C21D11/00 , F23N1/022 , F23N2005/181 , F23N2005/185 , F23N2023/14 , F23N2023/34 , F23N2023/36 , F23N2023/52 , F23N2025/14 , F23N2025/16 , F27D19/00 , F27D21/00 , F27D21/0014 , F27D2019/0003 , G05B11/42 , G05B13/0265 , G05D23/19 , G05D23/1919
摘要： A method for controlling furnace temperature of a fired heating furnace is disclosed, comprising: measuring furnace temperatures to obtain furnace temperature feedback values; calculating the differences between furnace temperature setting values and the furnace temperature feedback values as discrepancy values DV1, in accordance with the furnace temperature feedback values and the furnace temperature setting value; calculating the differences between the furnace temperature setting values and the furnace temperature feedback values in a unit time, i.e., the gradient of furnace temperature change values, as discrepancy values DV2; obtaining a speed V of a fired heater machine set from a speed adjuster of the fired heater machine set, and obtaining a first multiple feed forward output components FFV in accordance with the speed V of the machine set (V); obtaining a second multiple feed forward output components FFT in accordance with the differences between the furnace temperature setting values and the furnace temperature feedback values, i.e., the discrepancy values DV1; looking up a PID control parameter in accordance with the discrepancy values DV1 and DV2, based on fuzzy control rule, and creating an adjusting control parameter OP1 in accordance with the PID control parameter; controlling a valve for regulating coal gas flow and a valve for regulating air flow by combining the adjusting control parameter OP1 with the first multiple feed forward components FFV and the second multiple feed forward components FFT as a final control output value.
摘要翻译： 公开了一种用于控制燃烧加热炉的炉温的方法，包括：测量炉温以获得炉温反馈值; 根据炉温反馈值和炉温设定值，计算炉温设定值与炉温反馈值之间的差值作为差值DV1; 计算炉温度设定值和炉温反馈值之间的差异，单位时间，即炉温变化值的梯度作为差值DV2; 获得从所述燃烧加热器机组的速度调节器设定的燃烧加热器机构的速度V，并且根据所述机器组（V）的速度V获得第一多个前馈输出分量FFV; 根据炉温设定值和炉温反馈值（即差值DV1）之间的差异，获得第二多重前馈输出分量FFT; 根据模糊控制规则，根据差值DV1和DV2查找PID控制参数，并根据PID控制参数创建调整控制参数OP1; 通过将调节控制参数OP1与第一多个前馈分量FFV和第二多个前馈分量FFT组合作为最终控制输出值来控制用于调节煤气流量的阀和用于调节气流的阀。
-
-
-
搜索结果
4 条记录 (耗时 0.015 秒)
