Burner is used for burning pulverized coal mixture and the system comprising multiple this burners

摘要

It include the calibration process that dusty fuel conduit (2) have top end part and means, flame holding plate (4) or blowtorch nozzle (2a) tip ends the present invention discloses burner pulverized coal mixture used for combustion. Path, wherein combustion air current is formed, the dusty fuel conduit (2) and the flame holding plate (4) that surrounding extends. The invention is characterized in that providing the tip portion conduit (2) of the dusty fuel in fuel mixture (02) separator (10,20 and 30) of shade burner. The cross-sectional shape of deep or light fuel mixture (02) separator (10,20 and 30) gradually increases flow direction towards downstream side, the dusty fuel conduit (2) being hereafter gradually located at vertex at the center of upstream side end. Claim also includes the system of multiple this burners, the system is characterized in that blow box (1), wherein each by the regular cross section and burning helping air supply path at least one dusty fuel feed conduit (2) with rectangular shape, diffuser setting dusty fuel feed conduit (2) described in bight portion is simultaneously connected to the blowtorch nozzle (2a) or arrives the bending part of the side nozzle (2a) described blow box (1) the concrete composition separate unit blow box.