JPH0356041U

JPH0356041U -

Info

Publication number: JPH0356041U
Application number: JP11407389U
Authority: JP
Priority date: 1989-09-28
Filing date: 1989-09-28
Publication date: 1991-05-29

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す構成ブロツク
図、第２図はボイラのある負荷（任意の蒸気発生
）における燃焼用空気と損失量（各要因別損失空
トータル損失を算出）を示す図、第３図は従来の
燃焼空気制御装置の構成ブロツク図である。１……空気流量計、２……指示計、３……関数
回路、４……割り算回路、Ｃ１……空気量調節計
、６……ボイラ損失量演算手段、Ｃ３……ボイラ
損失量調節計、７……リミツタ回路。 Figure 1 is a configuration block diagram showing one embodiment of the present invention, and Figure 2 shows combustion air and loss amount (calculating the total loss for each factor) under a certain load of the boiler (arbitrary steam generation). 3 are block diagrams of a conventional combustion air control device. 1... Air flow meter, 2... Indicator, 3... Function circuit, 4... Dividing circuit, C1... Air amount controller, 6... Boiler loss amount calculation means, C3... Boiler loss amount controller , 7...limiter circuit.

Claims

[Claim for Utility Model Registration] In a device for controlling the amount of air for combustion, in which a signal regarding the air flow rate is inputted through a function circuit and a division circuit, and a signal regarding the necessary fuel to be fed into the boiler is given as a set value signal, A boiler loss amount calculation means for calculating the boiler loss amount, a boiler loss amount controller for inputting the calculation result from the boiler loss amount calculation means, and a limiter circuit for limiting the output signal of the boiler loss amount controller, A combustion air control device characterized in that an output signal from a boiler loss amount controller that has passed through the limiter circuit is applied to the divider circuit.