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Detection device and method for flame burning state

A technology of flame combustion state and detection device, which can be applied to combustion methods, safety devices of combustion chambers, combustion chambers, etc., and can solve problems such as peeking.

Active Publication Date: 2015-06-03
山东泰景电力科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is also the main reason why there is a "peeking" problem in the current fire inspection

Method used

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  • Detection device and method for flame burning state
  • Detection device and method for flame burning state
  • Detection device and method for flame burning state

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Embodiment Construction

[0063] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0064] A flame combustion state detection device specifically includes: one end of an optical fiber is installed in a furnace, and the other end is installed in a photoelectric conversion circuit, and its function is to lead out infrared light at an observation point. The photoelectric conversion circuit converts the infrared radiation intensity into a current signal through a lead sulfide (PbS) photoresistor to realize long-distance transmission. The intelligent signal processor implements signal sampling, A / D conversion, digital filtering and logic judgment, and is connected to the background host through the network interface. An intelligent signal processor detects the combustion state of a burner, and there are as many intelligent signal processors as there are burners in a furnace. The background host can connect these intelligent signal processo...

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Abstract

The invention discloses a detection device and method for flame burning states. The detection device and method for the flame burning states are characterized in that one end of an optical fiber is installed in a furnace; the other end of the optical fiber is connected with a photoelectric converting circuit; the photoelectric converting circuit connected with intelligent signal processors converts infrared radiation intensity into a current signal through a photoresistor so as to realize long-distance transmission; the intelligent signal processors are connected with a background monitoring host through a network interface; the intelligent signal processors are used for realizing the sampling of signals, A / D (Analog to Digital) conversion and digital filtering; the number of the intelligent signal processor is determined according to the number of burners in the furnace. The flame detection method solves long-standing technical problems in the field of current flame detection devices and provides a theoretical basis for accurate detection of flames.

Description

technical field [0001] The invention relates to a flame combustion state detection device and detection method. Background technique [0002] In the field of thermal power generation, there are two combustion methods for coal power generation, one is pulverized coal combustion, and the other is circulating fluidized bed combustion. In the former, the coal is pulverized by the coal mill and sent into the furnace for combustion by the strong wind of the blower. At present, most of the thermal power generating units are in the form of pulverized coal. The latter is mainly a non-main power generation method that has emerged in the past ten years to deal with some low-quality coal containing a large amount of coal gangue for the needs of environmental protection. For pulverized coal combustion boilers in operation, a large amount of pulverized coal is blown to the furnace by a large amount of pulverized coal all the time through the burners arranged in multiple layers and polygo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23M11/04
Inventor 丁卫东邱岭郑承华于永博
Owner 山东泰景电力科技有限公司