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Combustion control system

A control system and burner technology, which is applied in the direction of combustion method, combustion control, and fuel supply adjustment, can solve the problem of not starting the ignition action of the burner, and achieve the effect of improving safety

Active Publication Date: 2017-10-10
YAMATAKE HONEYWELL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For example, in the combustion control system, according to the safety standard (EN298:2012) related to industrial combustion furnaces, the control is performed in such a way that when the burner is ignited, the flame detector detects Indicates the state of flame, that is, when a suspected flame is detected, the ignition of the burner will not be started

Method used

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  • Combustion control system
  • Combustion control system
  • Combustion control system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 2

[0104]

[0105] Figure 6 It is a figure which shows the structure of the combustion control system of Embodiment 2.

[0106] Figure 6 The combustion control system 101 shown differs from the combustion control system 100 of Embodiment 1 in that one of the plurality of burner controllers functions as a master device that controls the opening and closing of the safety shutoff valve.

[0107] Specifically, the combustion control system 101 has a plurality of burner controllers (BCR) 15_1 to 15_4 provided corresponding to each of the burners 21_1 to 21_4. The burner controller 15_1 controls the combustion of the corresponding burner, and generates an ignition preparation signal SA, and functions as a master control device for controlling the safety shut-off valve 30, and the burner controllers 15_2 to 15_4 control the corresponding burners 21_2 to 21_4 function as a combustion slave.

[0108] Figure 7 It is a figure which shows the internal structure of the burner control...

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PUM

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Abstract

The invention provides a combustion control system. A common safety cutoff valve is used to control a multi-combustion device system used for fuel supply by aiming at a plurality of combustion devices, safety during the ignition of the combustion devices is improved. The combustion control system 100 is provided with cascaded driven devices (12_1-12_n) used to transmit ignition preparation signals (SA) output by a main control device 11 to a signal path of a transmission line 13, and thereafter during the ignition of the combustion devices 21_1-21_n, the driven devices (12_1-12_n) are used to determine whether the ignition preparation signals (SA) are output to the next level device according to the occurrence of the flame of the corresponding combustion device, and the main control device 11 is used to open a safety cutoff valve 30 by taking the transmission line 13 used for the input of the ignition preparation signals (SAo) as a condition.

Description

technical field [0001] The present invention relates to a combustion control system, in particular to a multi-burner system that uniformly controls fuel supply to a plurality of burners through a shared safety cut-off valve. Background technique [0002] Generally, in combustion furnaces represented by industrial furnaces such as iron and steelmaking furnaces, heating furnaces, and deodorizing furnaces, the combustion control system monitors the combustion state of the burners installed in the furnace, the temperature in the furnace, Combustion control is performed while controlling the pressure of combustion air, the pressure of fuel supplied to the burner, etc., thereby ensuring the safety of combustion. [0003] For example, in the combustion control system, according to the safety standard (EN298:2012) related to industrial combustion furnaces, the control is performed in such a way that when the burner is ignited, the flame detector detects Indicates the state of flame...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23N1/00
CPCF23N1/002F23N2223/02F23N2227/18F23N2235/12F23N2237/02F23N5/242F23N2231/06F23N2223/10F23N2227/02
Inventor 中田知也熊泽雄一森川胜美
Owner YAMATAKE HONEYWELL CO LTD