A modeling method and device for a dynamic continuous stirred tank reactor
A technology of reactors and stirred tanks, which is applied in the modeling field of dynamic continuous stirred tank reactors, and can solve problems such as slow calculation speed and low calculation accuracy
Active Publication Date: 2019-04-16
杭州百子尖科技股份有限公司
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[0003] In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a modeling method and device for a dynamic continuous stirred tank reactor, which can solve the problems of slow calculation speed and low calculation accuracy in the prior art
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[0052] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0053] Such as figure 1 As shown, the modeling method of the dynamic continuous stirred tank reactor provided by the embodiment of the present invention includes:
[0054] Step S101: Obtain the molar flow value of each feed stream in the reactor, the molar flow value of each gas phase output, the molar flow value of each liquid phase output, the molar enthalpy value of each feed stream, and the molar flow value of each liquid phase output. The molar enthalpy value of the material, the molar enthalpy value of each gas phase output, the heat value of the reactor, the mole fraction value of each c...
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The invention discloses a modeling method and device for a dynamic continuous stirring kettle reactor. The method comprises the following steps of: acquiring an initial temperature value, an initial pressure value, initial components of reaction substances and a stoichiometric relationship of the reaction substances; calculating the initial total mole number and the initial molar enthalpy value in a reactor; calculating the current reaction rate values the reaction substances; calculating the total mole number after a predetermined time interval; calculating the molar enthalpy value after the predetermined time interval; calculating the components of the reaction substances after the predetermined time interval; calculating the temperature value after the predetermined time interval according to a flash algorithm; and calculating the reaction rate values of the reaction substances after the predetermined time interval according to the temperature value after the predetermined time interval. By setting the initial value, the total mole number, the molar enthalpy value and the components of the reaction substances in the reactor after the predetermined time interval are calculated, and the calculating speed is fast and the calculating precision is high.
Description
technical field [0001] The invention relates to the field of process control, in particular to a modeling method and device for a dynamic continuous stirred tank reactor. Background technique [0002] The design of the reactor model has an important impact on the design of the reactor, the optimization of production and operating conditions, and the improvement of the process. Therefore, it is of great significance to establish a dynamic continuous stirred tank reactor modeling model that can accurately calculate the reaction rate. The modeling method of stirred tank reactor has the problems of slow calculation speed and low calculation accuracy. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a modeling method and device for a dynamic continuous stirred tank reactor, which can solve the problems of slow calculation speed and low calculation accuracy in the prior art. [0004] The...
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IPC IPC(8): B01J19/18
CPCB01J19/18B01J2219/00069B01J2219/00072B01J2219/00243
Inventor 魏江葛铭郑小青黄彩霞冯李立
Owner 杭州百子尖科技股份有限公司