JPH03112618U

JPH03112618U -

Info

Publication number: JPH03112618U
Application number: JP2182990U
Authority: JP
Priority date: 1990-03-06
Filing date: 1990-03-06
Publication date: 1991-11-18

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示し、第１図ａは
その縦断面図、第１図ｂは第１図ａのＢ−Ｂ矢視
図、第１図はｃは第１図ａのＣ−Ｃ矢視断面図、
第２図ａは従来の微粉固体燃焼装置の火炉内の燃
焼状態を示す正面図、第２図ｂはその側面図、第
２図ｃは前記実施例の火炉内の燃焼状態を示す正
面図、第２図ｄはその側面図、第３図は従来の微
粉固体燃料の燃焼装置の縦断面図、第４図は同従
来の燃焼装置内の混合気の状態の説明図である。１……石炭ノズル、４……ノズルチツプ、５…
…デイフレクター、６……サイクロンセパレータ
、７……内筒、８……二次空気通路、１０……微
粉炭と一次空気の混合気、１１……濃混合気通路
、１２……淡混合気通路。 Fig. 1 shows an embodiment of the present invention, Fig. 1a is a longitudinal sectional view thereof, Fig. 1b is a view taken along the line B-B of Fig. 1a, and Fig. 1c is a Fig. 1a. C-C arrow sectional view of
FIG. 2a is a front view showing the combustion state in the furnace of a conventional pulverized solid combustion device, FIG. 2b is a side view thereof, and FIG. 2c is a front view showing the combustion state in the furnace of the above embodiment. FIG. 2d is a side view thereof, FIG. 3 is a longitudinal sectional view of a conventional pulverized solid fuel combustion device, and FIG. 4 is an explanatory diagram of the state of the air-fuel mixture in the conventional combustion device. 1... Coal nozzle, 4... Nozzle tip, 5...
... Deflector, 6 ... Cyclone separator, 7 ... Inner cylinder, 8 ... Secondary air passage, 10 ... Mixture of pulverized coal and primary air, 11 ... Rich mixture passage, 12 ... Lean mixture aisle.

Claims

[Scope of utility model registration request]

A cyclone separator is installed at the inlet of the cylindrical combustor and introduces a mixture of pulverized fixed fuel and primary air, and the cyclone separator is connected to the cyclone separator and extends over almost the entire length of the combustor, separating the combustion chamber from the inside and outside. A pulverized solid fuel combustion device characterized by having an inner cylinder partitioned into one side.