JPS59139736U

JPS59139736U - Fluidized bed combustion furnace

Info

Publication number: JPS59139736U
Application number: JP3179983U
Authority: JP
Inventors: 中西　雄; 中井　誠一; 阪野　雅男; 田坂　靖
Original assignee: 日立造船株式会社
Priority date: 1983-03-05
Filing date: 1983-03-05
Publication date: 1984-09-18

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図〜第３図は本考案の一実施例を示し、第１図は縦
断面図、第２図は第１図の■−■矢視図、第３図は第１
図の■−■矢視図である。第４図は本考案の他の実施例
を示す要部の縦断面図である。１・・・流動層燃焼炉本体、２・・・フリーボード部、
　　　５・・・多孔板、７・・・燃焼空気供給管、８・
・・流動層１．１０・・・サイクロン、１２・・・噴射
管（連通口）、−１５・・・燃焼ノズル、１６・・・未
燃炭カーボン供給パイプ、１７・・・空気圧入パイプ、
１９・・・旋回翼、２２・・・噴射口（連通口）。Figures 1 to 3 show one embodiment of the present invention, where Figure 1 is a longitudinal cross-sectional view, Figure 2 is a view taken along the ■-■ arrow in Figure 1, and Figure 3 is a view of the
It is a view taken along the ■-■ arrow in the figure. FIG. 4 is a longitudinal cross-sectional view of the main parts showing another embodiment of the present invention. 1...Fluidized bed combustion furnace main body, 2...Freeboard part,
5... Perforated plate, 7... Combustion air supply pipe, 8.
... Fluidized bed 1.10... Cyclone, 12... Injection pipe (communication port), -15... Combustion nozzle, 16... Unburned carbon carbon supply pipe, 17... Air pressure injection pipe,
19...Swirl blade, 22...Injection port (communication port).

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

流動層燃焼炉本体のフリーボード部にサイクロンを内蔵
し、流動層内に被燃焼物を供給するための供給パイプを
設け、上記炉本体内の上部にガスを旋回させながらサイ
クロン内に送り込むためのガス旋回翼を設け、サイクロ
ン下部に炉本体内に連通ずる連通口を設け、先端がサイ
クロン下部内に挿入されると共に先端から空気を噴射し
てサイクロン下部に落下してきた未燃カーボンと灰分と
を上記連通口を介して炉本体内へ噴射するリサイクルノ
ズルを設けたことを特徴と子る流動層燃焼炉。A cyclone is built in the freeboard part of the fluidized bed combustion furnace body, a supply pipe is provided for supplying the material to be burned into the fluidized bed, and a gas pipe is installed in the upper part of the furnace body to feed the gas into the cyclone while swirling it. A gas swirler is provided, and a communication port is provided at the bottom of the cyclone that communicates with the inside of the furnace body.The tip of the cyclone is inserted into the bottom of the cyclone, and air is injected from the tip to remove unburned carbon and ash that have fallen to the bottom of the cyclone. A fluidized bed combustion furnace characterized by being provided with a recycling nozzle that injects into the furnace body through the communication port.