Production apparatus for aromatic polycarbonate

Production apparatus for aromatic polycarbonate

  • CN 105,524,264 B
  • Filed: 10/19/2015
  • Issued: 12/31/2019
  • Est. Priority Date: 10/21/2014
  • Status: Active Grant
First Claim
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1. An apparatus for producing an aromatic polycarbonate, which comprises a mixing tank for reacting an aromatic dihydroxy compound with a diaryl carbonate,the manufacturing apparatus has at least one heating unit for heating the mixing tank, the heating unit being selected from the group consisting of an inner coil provided in the mixing tank, an outer jacket provided outside the mixing tank, and an outer coil provided outside the mixing tank;

  • the heating unit uses water vapor as a heating medium and is provided with more than 2 water vapor outlets, and the more than 2 water vapor outlets are respectively and independently connected with the drainage drum so that the steam drainage from the water vapor outlets is continuously drained into the drainage drum;

    the drain drum is connected to a drain and a vapor recovery device to allow the vapor drain to be discharged into the drain and/or the vapor recovery device.

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