Detection method and system for clinker temperature of cooling zone in rotary kiln
A cooling zone and rotary kiln technology, applied in thermometers, thermometer applications, measuring devices, etc., can solve the problems of coal powder and smoke interference, unreliability, lack of stability in clinker image quality, etc., to improve detection accuracy, Effects of avoiding errors and improving reliability
Active Publication Date: 2014-12-24
DATANG INT POWER GENERATION +1
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[0004] In the prior art, the temperature detection method of the cooling zone in the rotary kiln, on the one hand, due to the complex environment in the industrial rotary kiln, the interference of coal powder and smoke is relatively large, resulting in the lack of stability of the image quality of the collected clinker, and the clinker image quality is not stable. The detection result of temperature state is not accurate; The temperature detection method of the belt is not reliable and cannot meet the needs of actual industrial production.
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[0044] figure 1 The flow chart of embodiment 1 of the clinker temperature detection method in the cooling zone in the rotary kiln provided by the present invention is as follows: figure 1 As shown, the method of this embodiment may include:
[0045] Step S101, collect the clinker image in the cooling zone in the rotary kiln, and obtain the characteristic parameters of the clinker image in the cooling zone according to the clinker image in the cooling zone in the rotary kiln.
[0046] Specifically, in order to detect the temperature of the clinker in the cooling zone in the rotary kiln in this embodiment, an image acquisition device is first used to collect the clinker image in the cooling zone in the rotary kiln. image. Then take a certain frame of the captured image as the clinker image of the cooling zone in the rotary kiln at that moment, and use the image processing technology to process the frame image to obtain the required characteristic parameters of the clinker imag...
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The invention provides a detection method and a detection system for clinker temperature of a cooling zone in a rotary kiln. The method comprises the steps of acquiring a clinker image of the cooling zone in the rotary kiln, obtaining a characteristic parameter of the clinker image of the cooling zone according to the clinker image of the cooling zone in the rotary kiln, obtaining a clinker characteristic parameter of the cooling zone according to the characteristic parameter of the clinker image of the cooling zone and thermotechnical data in the rotary kiln, and obtaining a clinker temperature state of the cooling zone by comparing the similarity of the clinker characteristic parameter of the cooling zone with a clinker parameter model of the cooling zone. According to the detection method and the detection system for the clinker temperature of the cooling zone in the rotary kiln, the thermotechnical data in the rotary kiln and the characteristic parameter of the image are fused and compared with the clinker parameter model of the cooling zone, so that the accuracy and reliability of the detection of the temperature state of the cooling zone in the rotary kiln can be improved.
Description
technical field [0001] The invention relates to temperature detection technology, in particular to a clinker temperature detection method and system in a cooling zone in a rotary kiln. Background technique [0002] According to the characteristics of ore processing, the alumina production process is mainly divided into: Bayer method, sintering method and Bayer, sintering combined method. The sintering method is mainly used to process bauxite with high silicon content and low aluminum-silicon ratio. Clinker sintering is the key process of alumina production using sintering method, and clinker sintering production is organized around the rotary kiln. [0003] During clinker sintering, the temperature of clinker in the cooling zone of the rotary kiln directly affects the quality of sintering. In the prior art, the temperature detection of the cooling zone in the rotary kiln mainly adopts the method of image recognition, and the camera is used to collect the clinker image of t...
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IPC IPC(8): G01K13/00
Inventor 孙俊民王文儒刘鑫平张生李国胜韩黎明刘爱民陈华张小刚陈鸡平
Owner DATANG INT POWER GENERATION