System and method for detecting temperature of converter flame
A technology of flame temperature and detection system, applied in the field of steelmaking automation control, can solve the problems of inability to continuously detect and realize continuous detection of flame temperature, etc.
Active Publication Date: 2012-08-15
HUNAN RAMON SCI & TECH
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However, the thermocouple device itself is a consumable device, and it can only be used for point measurement, and cannot continuously detect the flame temperature of the converter mouth
[0004] It can be seen that the above-mentioned methods all have the disadvantage of being unable to continuously detect the flame temperature of the converter mouth, so researching and providing a system and method that can continuously detect the flame temperature of the converter mouth has become an urgent problem in this field. The problem
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[0063] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
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The invention discloses a system and a method for detecting temperature of a converter flame. The system comprises an image acquisition module, an image processing module and a computation module, wherein the image acquisition module is used for acquiring image information of the flame at a converter mouth; the image processing module is used for pre-processing the image information of the flame so as to obtain a flame image; and the computation module is used for computing the temperature value of each pixel in the flame image according to the nonlinear relation between the radiation spectrum and the temperature of an object and obtaining the temperature value of the flame at the converter mouth based on the pixel temperature values. As the temperature of the flame at the converter mouth is detected by the system on the basis of analysis on the image information of the flame at the converter mouth, the image acquisition module can continuously acquire the flame image in real time, and consequently the temperature of the flame at the converter mouth can be continuously detected by the system and the method.
Description
technical field [0001] The invention belongs to the field of steelmaking automation control, in particular to a converter flame temperature detection system and method. Background technique [0002] Steelmaking end point control is one of the key technologies of converter steelmaking, and since the temperature of the end point molten steel has an important impact on the quality of steel, the measurement of the end point molten steel temperature has become an important technology for steelmaking end point control. The flame temperature has a great correlation with the molten steel temperature and is an important indicator of the molten steel temperature. Therefore, the molten steel temperature can be obtained by measuring the flame temperature at the furnace mouth of the converter. [0003] At present, there are two ways to measure the flame temperature of the converter mouth. One way is to observe the fire manually, that is, to judge the temperature of the flame manually thr...
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IPC IPC(8): C21C5/46C21C5/30G01J5/00
Inventor 田陆何涛焘文华北冯正金
Owner HUNAN RAMON SCI & TECH
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