Device and method for preparing dimethyl ether

Device and method for preparing dimethyl ether

  • CN 102,029,130 B
  • Filed: 10/27/2010
  • Issued: 11/05/2014
  • Est. Priority Date: 10/27/2010
  • Status: Active Grant
First Claim
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1. a device of preparing dimethyl ether, comprises slurry-phase reactor and heat exchanger, and wherein, heat exchanger is arranged on outside reactor, and heat exchanger top is provided with drum;

  • Heat exchanger upper tube layer put down in or lower than reactor in heat carrier liquid level, heat exchanger bottom is higher than reactor bottom;

    Heat carrier flows out manages one end coupled reaction device middle part, and the other end connects the upper tube layer of heat exchanger, and heat carrier flows out the junction of pipe and reactor lower than heat carrier liquid level in reactor;

    Heat carrier flows into the bottom that pipe one end connects heat exchanger, other end coupled reaction device bottom, and heat carrier flows into manages with the junction of reactor higher than the gas distributor in reactor;

    In reactor, be provided with circular cone and lower circular cone, upper circular cone flows out the junction of pipe and reactor lower than heat carrier, and lower circular cone flows into the junction of pipe and reactor higher than heat carrier;

    And by the different silk screen of opening diameter, making large granular catalyst be distributed in the bottom of reaction bed, catalyst particle is distributed in the top of reaction bed;

    Lower circular cone opening diameter is 0.125-2.0mm;

    Upper circular cone opening diameter is 0.1-1.0mm;

    The percent opening of upper and lower circular cone is 50-99%.

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