The method that natural gas lyophilization de-hydrocarbon system and natural gas lyophilization take off hydrocarbon

The method that natural gas lyophilization de-hydrocarbon system and natural gas lyophilization take off hydrocarbon

  • CN 105,482,863 B
  • Filed: 12/30/2015
  • Issued: 07/26/2019
  • Est. Priority Date: 12/30/2015
  • Status: Active Grant
First Claim
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1. a kind of natural gas lyophilization de-hydrocarbon system, which is characterized in that including controller, precool heat exchanger device, gas-liquid separator,Heat-exchanger rig, refrigerating plant and vacuum evacuation device, whereinThe precool heat exchanger device is connect with the gas-liquid separator;

  • The heat-exchanger rig includes at least heat exchanger I, heat exchanger II, filtering separation device I and filtering separation device II, the gasLiquid/gas separator passes through switching device respectively and connect with the heat exchanger I and heat exchanger II, the gas outlet of the heat exchanger I with it is describedFiltering separation device I connection, the gas outlet of the heat exchanger II are connect with the filtering separation device II, the heat exchanger I andThe gas outlet of the heat exchanger II passes through switching device respectively and is connected to pressure relief device;

    The refrigerating plant is used to provide cold source and heat source, the refrigerating plant point to the heat exchanger I and heat exchanger IINot Tong Guo switching device connect with the heat exchanger I and the heat exchanger II, the refrigerating plant is connect with the controller;

    The vacuum evacuation device is for vacuumizing the heat exchanger I and the heat exchanger II, the vacuum evacuation device pointNot Tong Guo switching device connect with the gas outlet of the heat exchanger I and the heat exchanger II, the vacuum evacuation device and the controlDevice connection processed;

    The vacuum evacuation device includes vacuum pump, and the vacuum pump passes through switching device and the heat exchanger I and heat exchanger respectivelyThe gas outlet of II connects, and the vacuum pump is connect with the controller;

    The gas outlet of the heat exchanger I and heat exchanger II passes through switching device respectively and connect with the precool heat exchanger device.

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