Title:
【発明の名称】粉粒状原料の予熱装置
Document Type and Number:
Japanese Patent JPH0776671
Kind Code:
B2
Abstract:
An apparatus for preheating a granular material having a suspension preheater (1) including a plurality of stages of cyclones arranged above a calcination furnace (4) such that the granular material is preheated by waste gas from the calcination furnace (4) as the granular material passes through the suspension preheater (1). The apparatus has a precalciner (7) of fluidized-bed type or spouted-bed type connected, in place of a duct used in conventional apparatus, between a collecting cyclone (C) directly connected to the calcination furnace (4) and a first cyclone (C1) constituting the most downstream stage.
Inventors:
Mikio Aoyama
Hashimoto Isao
Tatebayashi
Hashimoto Isao
Tatebayashi
Application Number:
JP16944990A
Publication Date:
August 16, 1995
Filing Date:
June 26, 1990
Export Citation:
Assignee:
Maruo Calcium Co., Ltd.
Kawasaki Heavy Industries, Ltd.
Kawasaki Heavy Industries, Ltd.
International Classes:
B01J8/24; C04B2/10; C04B7/44; F27B15/00; F27D13/00; (IPC1-7): F27B15/00; C04B2/10; C04B7/44; F27D13/00
Domestic Patent References:
| JP6361880A | ||||
| JP263544A |
Attorney, Agent or Firm:
Yoshio Sano
Next Patent: 流動層炉の分散板ノズル