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    • 2. 发明授权
    • Method for controlling the degree of cooking in a digester
    • 控制蒸煮器烹饪程度的方法
    • US4978425A
    • 1990-12-18
    • US365350
    • 1989-06-13
    • Jeffrey A. BellerRalph K. JohnsonRoger KammererAzmi KayaMarion A. Keyes, IV
    • Jeffrey A. BellerRalph K. JohnsonRoger KammererAzmi KayaMarion A. Keyes, IV
    • D21C7/12
    • D21C7/12Y10S162/10
    • A method and apparatus for controlling the delignification process by monitoring and minimizing variations in the Kappa Number and the digester residual chemical concentration. A parameter representative of the H factor for the delignification process and a measurement of the initial chemical concentration are utilized to produce signals representative of the actual Kappa Number and the residual acid concentration in the digester. The expected perturbations in Kappa Number and the residual chemical concentration are compared with target values for same to produce estimated errors due to mismatch which are compared with actual measured errors for these parameters to produce compensated control errors for same. The compensated control errors are utilized to modify the target values for the H factor and the initial chemical concentration by modifying the chemical charge and the time versus temperature operating parameters of the digestings to regulate pulp Kappa number and spent cooking liquor residual chemical concentrations of the process.
    • 通过监测和最小化卡伯值和消化器残留化学物质浓度的变化来控制脱木质过程的方法和装置。 用于代表脱木质过程的H因子和初始化学浓度的测量的参数用于产生代表消化器中实际卡伯值和残留酸浓度的信号。 将卡帕值和残留化学浓度的预期扰动与目标值进行比较,以产生由于失配导致的误差,与这些参数的实际测量误差进行比较,以产生相同的补偿控制误差。 补偿控制误差用于修改H因子和初始化学浓度的目标值,通过修改化学成分和消化的时间与温度操作参数来调节纸浆的卡伯值和用过的蒸煮液的该过程的残留化学浓度 。
    • 3. 发明授权
    • System for modeling and control for delignification of pulping
    • 制浆脱木素建模与控制系统
    • US5032976A
    • 1991-07-16
    • US430847
    • 1989-12-07
    • Jeffrey A. BellerRalph K. JohnsonRoger KammererAzmi KayaMarion A. Keyes, IV
    • Jeffrey A. BellerRalph K. JohnsonRoger KammererAzmi KayaMarion A. Keyes, IV
    • D21C7/12
    • D21C7/12Y10S162/10
    • A method and apparatus for controlling the delignification process by monitoring and minimizing variations in the Kappa Number and the digester residual chemical concentration. A parameter representative of the H factor for the delignification process and a measurement of the initial chemical concentration are utilized to produce signals representative of the actual Kappa Number and the residual acid concentration in the digester. The expected perturbations in Kappa Number and the residual chemical concentration are compared with target values for same to produce estimated errors due to mismatch which are compared with actual measured errors for these parameters to produce compensated control errors for same. The compensated control errors are utilized to modify the target values for the H factor and the initial chemical concentration by modifying the chemical charge and the time versus temperature operating parameters of the digestings to regulate pulp Kappa number and spent cooking liquor residual chemical concentrations of the process.
    • 通过监测和最小化卡伯值和消化器残留化学物质浓度的变化来控制脱木质过程的方法和装置。 用于代表脱木质过程的H因子和初始化学浓度的测量的参数用于产生代表消化器中实际卡伯值和残留酸浓度的信号。 将卡帕值和残留化学浓度的预期扰动与目标值进行比较,以产生由于失配导致的误差,与这些参数的实际测量误差进行比较,以产生相同的补偿控制误差。 补偿控制误差用于修改H因子和初始化学浓度的目标值,通过修改化学成分和消化的时间与温度操作参数来调节纸浆的卡伯值和用过的蒸煮液的该过程的残留化学浓度 。
    • 4. 发明授权
    • Apparatus for controlling the degree of cooking in a digester
    • 用于控制蒸煮器烹饪程度的装置
    • US4990219A
    • 1991-02-05
    • US430854
    • 1989-11-01
    • Jeffrey A. BellerRalph K. JohnsonRoger KammererAzmi KayaMarion A. Keyes, IV
    • Jeffrey A. BellerRalph K. JohnsonRoger KammererAzmi KayaMarion A. Keyes, IV
    • D21C7/12
    • D21C7/12Y10S162/10
    • A method and apparatus for controlling the delignification process by monitoring and minimizing variations in the Kappa Number and the digester residual chemical concentration. A parameter representative of the H factor for the delignification process and a measurement of the initial chemical concentration are utilized to produce signals representative of the actual Kappa Number and the residual acid concentration in the digester. The expected perturbations in Kappa Number and the residue chemical concentration are compared with target values for same to produce estimated errors due to mismatch which are compared with actual measured errors for these parameters to produce compensated control errors for same. The compensated control errors are utilized to modify the target values for the H factor and the initial chemical concentration by modifying the chemical charge and the time versus temperature operating parameters of the digestings to regulate pulp Kappa number and spent cooking liquor residual chemical concentrations of the process.
    • 通过监测和最小化卡伯值和消化器残留化学物质浓度的变化来控制脱木质过程的方法和装置。 用于代表脱木质过程的H因子和初始化学浓度的测量的参数用于产生代表消化器中实际卡伯值和残留酸浓度的信号。 将卡帕值和残留化学物质浓度的预期扰动与目标值进行比较,以产生由于失配引起的误差,与这些参数的实际测量误差进行比较,以产生相同的补偿控制误差。 补偿控制误差用于修改H因子和初始化学浓度的目标值,通过修改化学成分和消化的时间与温度操作参数来调节纸浆的卡伯值和用过的蒸煮液的该过程的残留化学浓度 。
    • 5. 发明授权
    • Method of modeling and control for delignification of pulping
    • 造纸脱木质的建模与控制方法
    • US5060132A
    • 1991-10-22
    • US430532
    • 1989-12-07
    • Jeffrey A. BellerRalph K. JohnsonRoger KammererAzmi KayaMarion A. Keyes, IV
    • Jeffrey A. BellerRalph K. JohnsonRoger KammererAzmi KayaMarion A. Keyes, IV
    • D21C7/12
    • D21C7/12
    • A method and apparatus for controlling the delignification process by monitoring and minimizing variations in the Kappa Number and the digester residual chemical concentration. A parameter representative of the H factor for the delignification process and a measurement of the initial chemical concentration are utilized to produce signals representative of the actual Kappa Number and the residual acid concentration in the digester. The expected perturbations in Kappa Number and the residual chemical concentration are compared with target values for same to produce estimated errors due to mismatch which are compared with actual measured errors for these parameters to produce compensated control errors for same. The compensated control errors are utilized to modify the target values for the H factor and the initial chemical concentration by modifying the chemical charge and the time versus temperature operating parameters of the digestings to regulate pulp Kappa number and spent cooking liquor residual chemical concentrations of the process.
    • 通过监测和最小化卡伯值和消化器残留化学物质浓度的变化来控制脱木质过程的方法和装置。 用于代表脱木质过程的H因子和初始化学浓度的测量的参数用于产生代表消化器中实际卡伯值和残留酸浓度的信号。 将卡帕值和残留化学浓度的预期扰动与目标值进行比较,以产生由于失配导致的误差,与这些参数的实际测量误差进行比较,以产生相同的补偿控制误差。 补偿控制误差用于修改H因子和初始化学浓度的目标值,通过修改化学成分和消化的时间与温度操作参数来调节纸浆的卡伯值和用过的蒸煮液的该过程的残留化学浓度 。
    • 6. 发明授权
    • System for modeling and control for delignification of pulping
    • 制浆脱木素建模与控制系统
    • US5032977A
    • 1991-07-16
    • US430855
    • 1989-12-07
    • Jeffrey A. BellerRalph K. JohnsonRoger KammererAzmi KayaMarion A. Keyes, IV
    • Jeffrey A. BellerRalph K. JohnsonRoger KammererAzmi KayaMarion A. Keyes, IV
    • D21C7/12
    • D21C7/12Y10S162/10
    • A method and apparatus for controlling the delignification process by monitoring and minimizing variations in the Kappa Number and the digester residual chemical concentration. A parameter representative of the H factor for the delignification process and a measurement of the initial chemical concentration are utilized ot produce signals representative of the actual Kappa Number and the residual acid concentration in the digerter. The expected perturbations in Kappa Number and the residual chemical concentration are compared with target values for same to produce estimated errors due to mismatch which are compared with actual measured errors for these parameters to produce compensated control errors for same. The compensated control errors are utilized to modify the target values for the H factor and the initial chemical concentation by modifiying the chemical charge and the time versus temperature operating parameters of the digestings to regulate pulp Kappa number and spent cooking liquor residual chemical concentrations of the process.
    • 通过监测和最小化卡伯值和消化器残留化学物质浓度的变化来控制脱木质过程的方法和装置。 使用表示脱木质素过程的H因子和初始化学浓度的测量的参数,其产生表示实际卡伯值的信号和挖掘机中的残留酸浓度。 将卡帕值和残留化学浓度的预期扰动与目标值进行比较,以产生由于失配导致的误差,与这些参数的实际测量误差进行比较,以产生相同的补偿控制误差。 补偿控制误差用于修改H因子和初始化学浓度的目标值,方法是通过修改消化器的化学成分和时间与温度操作参数来调节纸浆的卡伯值和废蒸煮液的残留化学浓度 。