Control method for polymer modification device
A control method and polymer technology, which is applied in the control field of polymer modification devices, can solve problems such as no system, reaction heat runaway, etc., and achieve the effect of preventing accidents and avoiding unplanned parking
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[0071] Example 1
[0072] The polymer modification device includes an extrusion unit, a heating unit, a driving unit, a devolatilization unit, a control unit and an alarm structure. The extrusion unit includes a powder silo 11, a hopper 12, a plasticizer feed tank 13, a barrel 14 and a screw 15, on which a flow meter 41 and a flow alarm 42 are provided; The heating unit heats the barrel; the driving unit is a motor, and the output shaft of the motor is connected to the screw 15; the devolatilization unit includes a normal pressure devolatilizer 21 and a vacuum devolatilizer 22 arranged in sequence along the material movement direction, and a normal pressure devolatilizer The induced draft fan 7 connected to the tube 21 and the vacuum devolatilizer tube 22; the control unit is electrically connected to all the electronic control structures of the extrusion unit, the heating unit, the driving unit, the devolatilizer unit, the flow meter 41 and the flow alarm 42 respectively.
[0073...
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[0075] Example 2
[0076] The polymer modification device includes an extrusion unit, a heating unit, a driving unit, a devolatilization unit, a control unit and an alarm structure. The extrusion unit includes a powder silo 11, a feeding hopper 12, a plasticizer feed tank 13, a barrel 14 and a screw 15. A plurality of temperature detectors 31 and 31 are arranged at even intervals along the material movement direction inside the barrel 14 The temperature alarm 32; the heating unit heats the barrel; the drive unit is a motor, and the output shaft of the motor is connected to the screw 15; the devolatilizer unit includes a normal pressure devolatilizer 21 and a vacuum devolatilizer 22 arranged in sequence along the material movement direction. The induced draft fan 7 connected to the normal pressure devolatilizer 21 and the vacuum devolatilizer 22; the control unit is respectively connected with all the electronic control structures of the extrusion unit, heating unit, drive unit, a...
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