Technology and system for making flue gas into liquified natural gas

Technology and system for making flue gas into liquified natural gas

  • CN 105,779,047 A
  • Filed: 04/22/2016
  • Published: 07/20/2016
  • Est. Priority Date: 04/22/2016
  • Status: Active Application
First Claim
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1. the system utilizing flue gas preparing liquefied natural gas, it is characterised in that including:

  • For reclaiming the carbon dioxide recovering apparatus of the carbon dioxide in flue gas, it is connected by pipeline with flue gas source of the gas;

    For oven gas, carbon dioxide, hydrogen rich gas are mixed to get the gas holder of gaseous mixture, the air inlet of gas holder is connected by the first pipeline with oven gas source of the gas;

    The carbon dioxide vent of carbon dioxide recovering apparatus is connected by the second pipeline with the air inlet of gas holder;

    For compressing the compressor of gaseous mixture, the air inlet of compressor is connected by pipeline with the gas outlet of gas holder;

    For making hydrogen in gaseous mixture generate the methane synthesis reactor of methane with carbon dioxide reaction, it is connected by pipeline with compressor;

    For separating treatment that the gaseous mixture of methanation is liquefied, the mixed gas separation making methanation goes out the liquefaction segregation apparatus of liquefied natural gas, hydrogen rich gas and rich nitrogen, being connected by pipeline with methane synthesis reactor, the hydrogen rich gas outlet of liquefaction segregation apparatus is connected by the 3rd pipeline with the air inlet of gas holder.

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