Micro- discharge pulverized coal combustion system

Micro- discharge pulverized coal combustion system

CN
  • CN 105,605,560 B
  • Filed: 12/23/2015
  • Issued: 02/05/2019
  • Est. Priority Date: 12/23/2015
  • Status: Active Grant
First Claim
Patent Images

1. micro- discharge pulverized coal combustion system, including after-flame blower (1), air and powder mixer (2), primary defeated powder blower (3), coal three timesPowder burner (4), economizer (5), secondary combustion-supporting blower (6), four smoke backflow blowers (7), boiler furnace (8), boiler pairFlow flue (9), air preheater (10), deduster (11), air-introduced machine (12) and coal dust tower (14), it is characterised in that the coalPowder burner (4) is arranged in the bottom of the boiler furnace (8);

  • Two input terminals of the air and powder mixer (2) are separately connectedTo the lower inlet of primary defeated the powder blower (3) and coal dust tower (14), the output end of the air and powder mixer (2) is connected toThe First air air duct of the coal burner (4);

    The input of the secondary combustion-supporting blower (6) terminates external environment, output endIt is connected to the cold air inlet of the air preheater (10), the hot-blast outlet of the air preheater (10) is connected to coal dust firingThe secondary air passage of device (4);

    The input terminal of four smoke backflow blowers (7) is connected to the output of the air-introduced machine (12)End, output end are connected to the secondary air passage of the coal burner (4);

    The coal burner (4) includes secondary air box(4008), electronic air register (4007), the primary air piping (4004), secondary interior air hose (4013) and the secondary outer air hose that are coaxially disposed(4012), the primary air piping (4004) is arranged at axle center, interior to be equipped with central tube (4003), the central tube(4003) light car oil gun (4015) and ignitor (4002) are equipped in, the light car oil gun (4015) connects an oil pump(4021), the ignitor (4002) connection ignition transformer (4001), the secondary air box (4008) are interior equipped with interiorSecondary air chamber (4006) and outer second air room (4009);

    Described inner second air room (4006) one end and the primary air piping(4004) inner second air road (4017) connection between secondary interior air hose (4013), the other end are equipped with the first reflux air port(4024) and inner second air mouth (4023);

    Described outer second air room (4009) one end and the secondary interior air hose (4013) andOuter second air road (4011) connection between secondary outer air hose (4012), the other end are equipped with the second reflux air port (4025) and outer twoSecondary air port (4026);

    Inner second air cyclone (4018) are equipped in the inner second air road (4017);

    The outer second airOuter second air cyclone (4010) are equipped in road (4011);

    The electronic air register (4007) includes being arranged on corresponding air portThe first reflux wind air register (4028), the second reflux wind air register (4029), inner second air air register (4027) and outer secondaryWind air register (4030).

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