公开(公告)号：US20030044337A1

公开(公告)日：2003-03-06

申请号：US10278806

申请日：2002-10-24

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Osamu Furuya

IPC: B01D053/50 ,  C01B007/00

CPC classification number: F23J15/006 ,  B09B3/00 ,  C04B18/06 ,  F23G2201/601 ,  F23G2201/701 ,  F23G2209/30 ,  F23J2215/20 ,  Y02W30/92 ,  C04B20/02

Abstract: Provided are a method of treating coal ash by mixing it with water, in which the coal ash and water undergo a temperature difference therebetween while they are mixed; and a method of desulfurization in a coal combustion boiler system, which comprises mixing coal ash that has been separated from a ash collector in the system, with water on the condition that the two undergo a temperature difference therebetween while they are mixed, and circulating the resulting mixture that serves as a desulfurizing agent into the coal combustor in the system. The desulfurization capability of the desulfurizing agent used in the desulfurization method is higher than that of the desulfurizing agent obtained through hydration of coal ash with water or steam.

Abstract translation: 提供了一种通过与煤混合来处理煤灰的方法，其中煤灰和水在它们混合时经历温差; 以及一种煤燃烧锅炉系统中的脱硫方法，其特征在于，将在系统中与灰收集器分离的煤灰与水混合，条件是两者在混合时经历温差，并循环 所得混合物作为脱硫剂进入系统中的煤燃烧器。 脱硫方法中脱硫剂的脱硫能力高于煤灰与水或蒸汽水合得到的脱硫剂脱硫能力。