公开(公告)号：US20190040577A1

公开(公告)日：2019-02-07

申请号：US15665564

申请日：2017-08-01

Applicant: Fuel Tech, Inc.

Inventor： Chrstopher R. Smyrniotis ,  ian Saratovsky ,  Edward G. Schaub ,  Scott Bohlen

IPC: D21C11/00

Abstract: Disclosed is a process for reducing slag in a black liquor recovery boiler, the process comprising: injecting and burning black liquor in a boiler by contacting it with primary air and secondary air; introducing a slag-reducing chemical into the gases above the injection locations through interlaced, tangential or concentric secondary, tertiary, and/or quarternary air ports.

公开(公告)号：US11008704B2

公开(公告)日：2021-05-18

申请号：US15665564

申请日：2017-08-01

Applicant: Fuel Tech, Inc.

Inventor： Chrstopher R. Smyrniotis ,  Ian Saratovsky ,  Edward G. Schaub ,  Scott Bohlen

IPC: D21C11/12 ,  D21C11/00

Abstract: Disclosed is a process for reducing slag in a black liquor recovery boiler, the process comprising: injecting and burning black liquor in a boiler by contacting it with primary air and secondary air; introducing a slag-reducing chemical into the gases above the injection locations through interlaced, tangential or concentric secondary, tertiary, and/or quarternary air ports.