Styrene bulk polymerization anti-interference distribution shape control method based on interference observer
A technology of interference observer and bulk aggregation, applied in adaptive control, general control system, control/regulation system, etc., can solve problems such as poor stability, particle size distribution shape control, etc.
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[0062] Such as figure 1 The shown method for controlling the anti-disturbance distribution shape of a chemical polymerization system based on a disturbance observer includes the following steps:
[0063] Step 1) According to the elementary reaction of styrene bulk polymerization, the molecular weight distribution model of the polymer is obtained; specifically: the operation of bulk free radical polymerization is carried out in a continuous stirred tank reactor, the reaction monomer is styrene, and the initiator It is azobisisobutyronitrile, the two streams involved in the reaction, the monomer and the initiator dissolved in the monomer, are pumped into the reactor at a certain flow rate through the control device, and at the same time, the whole process is required to maintain a constant temperature. A flow meter measures the flow, and the schematic diagram of the device is shown in figure 2 As shown, throughout the process, the inlet flow rate and stream ratio can be change...
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