Flue gas energy cascade utilization system

Flue gas energy cascade utilization system

  • CN 102,330,967 A
  • Filed: 10/24/2011
  • Published: 01/25/2012
  • Est. Priority Date: 10/24/2011
  • Status: Active Application
First Claim
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1. a gas energy cascade utilization system comprises boiler, air preheater, deduster, high-pressure heater, low-pressure heater, it is characterized in that, also comprises:

  • Flue gas-to water-to-water heat exchanger;

    Wherein, the outlet of said boiler and said flue gas-is connected for the water-to-water heat exchanger fume side, said flue gas-be connected with said high-pressure heater to water-to-water heat exchanger water side;

    A part of high-temperature flue gas of the outlet of said boiler is through said flue gas-give water-to-water heat exchanger, heated feed water.

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