JPS59170706U

JPS59170706U - Pulverized coal combustion equipment

Info

Publication number: JPS59170706U
Application number: JP5869683U
Authority: JP
Inventors: 茂樹森田; 政井　忠久; 俊雄植村; 三垣　仁志; 坂垣　喜一; 幸田　文夫
Original assignee: バブコツク日立株式会社
Priority date: 1983-04-21
Filing date: 1983-04-21
Publication date: 1984-11-15

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

図は本考案の微粉炭燃焼装置の一実施例に係り、バーナ
を示す断面図である。１・・・火路、２・・・バーナスロート、４．６・・・
微粉炭供給路、３．５・・・空気供給路、７．８・・・
旋回器、９．１０・・・エアレジスタ、１１・・・低燃
料比微粉炭燃焼領域、１２・・・高燃料比微粉炭燃焼領
域。The figure is a sectional view showing a burner according to an embodiment of the pulverized coal combustion apparatus of the present invention. 1...Fire path, 2...Burnas throat, 4.6...
Pulverized coal supply path, 3.5... Air supply path, 7.8...
Swirl machine, 9.10... Air register, 11... Low fuel ratio pulverized coal combustion region, 12... High fuel ratio pulverized coal combustion region.

Claims

[Scope of utility model registration request]

(1) A pulverized coal combustion device that includes a furnace that burns pulverized coal, a burner provided in the furnace, a pulverized coal transport mechanism that transports the pulverized coal to the burner, and a pulverizer that produces the pulverized coal. In the burner, a pulverized coal supply passage is provided at least on the innermost side and a pulverized coal supply passage on the outside of the pulverized coal supply passage on a concentric circle, and the pulverized coal supply passage inside the outer pulverized coal supply passage is A pulverized coal combustion device characterized by supplying pulverized coal having a low composition ratio of fixed carbon to volatile matter.

(2) Utility Model Registration The pulverized coal combustion device according to claim (1), characterized in that exhaust gas is supplied to the innermost pulverized coal supply path.

(3) Utility model registration Claim (1), wherein the burner includes a pulverized coal supply channel at least on the innermost side;
An air supply path is provided on the outside of the pulverized coal supply path, and a pulverized coal supply is provided on the outside of the air supply path, and the pulverized coal supply path inside the outside pulverized coal supply path is fixed against volatile matter. A pulverized coal combustion device characterized by supplying pulverized coal with a low carbon content.

(4) Utility model registration Claim (3) states that exhaust gas is mixed into at least the air supply path and the pulverized coal supply path outside the air supply path in order to adjust the throat flow velocity. Characteristics of pulverized coal combustion equipment.