Smoke recycling stokerfeed boiler and smoke recycling multi-layer air distributing control method

Smoke recycling stokerfeed boiler and smoke recycling multi-layer air distributing control method

  • CN 106,678,776 A
  • Filed: 01/23/2017
  • Published: 05/17/2017
  • Est. Priority Date: 01/23/2017
  • Status: Active Application
First Claim
Patent Images

1. a kind of flue gas recirculation chain furnace, including burner hearth, traveling-grate stoker, zoned air room, aditus laryngis, gas recirculating fan andThe total blast pipe of flue gas recirculation, it is characterised in that:

  • The total blast pipe of the flue gas recirculation is divided into two-way into before burner hearth, respectively withLeft side wall blast pipe, the connection of right-side wall blast pipe pipeline are communicated;

    The left side wall blast pipe along boiler left side wall paper set, and respectively with left side upper strata arm, middle level arm, lower floor'"'"'s arm pipeRoad connection Quince leads to, and each arm is equipped with multiple reduced air injector heads towards on the tube wall of burner hearth center side;

    The upper strata armThe injector head being equipped with enters burner hearth by furnace wall, to aditus laryngis top burner hearth center air feed;

    Institute on the middle level armState injector head to enter in burner hearth, to the burner hearth center air feed in region between the traveling-grate stoker and the aditus laryngis by furnace wall;

    InstituteThe injector head being equipped with lower floor'"'"'s arm is stated by furnace wall, gos deep into each zoned air room, to the air-supply of zoned air room;

    The right-side wall blast pipe along boiler right-side wall lay, and respectively with right side upper strata arm, middle level arm, lower floor'"'"'s arm pipeRoad connection Quince leads to, and each arm is equipped with multiple reduced air injector heads towards on the tube wall of burner hearth center side;

    The upper strata armThe injector head being equipped with enters burner hearth by furnace wall, to aditus laryngis top burner hearth center air feed;

    Institute on the middle level armState injector head to enter in burner hearth, to the burner hearth center air feed in region between the traveling-grate stoker and the aditus laryngis, institute by furnace wallThe injector head being equipped with lower floor'"'"'s arm is stated by furnace wall, gos deep into each zoned air room, to the air-supply of zoned air room.

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