JPS6397035U

JPS6397035U -

Info

Publication number: JPS6397035U
Application number: JP18853386U
Authority: JP
Priority date: 1986-12-09
Filing date: 1986-12-09
Publication date: 1988-06-23

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す概略的構成図
、第２図は第１図の装置におけるバーナの配置例
を示す概略的構成図、第３図は中間負荷運用のパ
ターンを示す説明図、第４図はデイリースタート
ストツプ運用のパターンを示す説明図、第５図は
従来の燃焼装置の例を示す概略的構成図、第６図
は従来の燃焼のバーナ配置例を示す概略的構成図
である。２……バンカ、３……給炭機、４……ミル、５
……サイクロンセパレータ、６……バグフイルタ
、７ａ……微粉炭ビン、７ｂ……超微粉炭ビン、
８ａ，８ｂ……給炭機、９……バーナ、１０……
火炉、１３……１次空気、１４……起動バーナ、
１５，１６……微粉炭管、１７……切替弁。 Fig. 1 is a schematic block diagram showing an embodiment of the present invention, Fig. 2 is a schematic block diagram showing an example of burner arrangement in the device of Fig. 1, and Fig. 3 is an explanation showing a pattern of intermediate load operation. Fig. 4 is an explanatory diagram showing a daily start-stop operation pattern, Fig. 5 is a schematic configuration diagram showing an example of a conventional combustion device, and Fig. 6 is a schematic diagram showing an example of burner arrangement for conventional combustion. FIG. 2...Banka, 3...Coal feeder, 4...Mill, 5
... cyclone separator, 6 ... bag filter, 7a ... pulverized coal bottle, 7b ... ultra-fine coal bottle,
8a, 8b... coal feeder, 9... burner, 10...
Furnace, 13...Primary air, 14...Start burner,
15, 16...Pulverized coal pipe, 17...Switching valve.

Claims

[Claims for Utility Model Registration] (1) A means for crushing coal, a means for transporting the pulverized coal obtained by the means for airflow, and a means for transporting the pulverized coal with a predetermined particle size distribution in the middle of the means for transporting the pulverized coal. a primary collection means for collecting pulverized coal having the above-described particle size distribution; a first storage means for storing the pulverized coal collected by the collection means; a second storage means for storing the ultra-pulverized coal collected by the secondary collection means; A means for transporting ultra-pulverized coal stored in a second storage means during low load by pneumatic transport to a burner for startup or low load; A combustion device characterized by comprising a pulverized coal transport means for airflow transporting pulverized coal to a burner for normal load. (2) The secondary collection means has a maximum particle size of 50 μm.
A combustion device according to claim (1) of the utility model registration, characterized in that it is a device for collecting the following ultrafine coal.