A system for on-line monitoring of the condition of the inner wall surface of a pusher kiln

Abstract

The invention discloses a system used for conducting on-line monitoring for pushed slab kiln inner wall surface condition. The system used for conducting the on-line monitoring for the pushed slab kiln inner wall surface condition comprises an active light source emitting device, a passive imaging receiving device and a central processing unit, wherein the active light source emitting device is arranged on the outer side of one end of the pushed slab kiln body and used for producing blue laser beams or green laser beams, and the laser beams penetrate through the kiln body in a manner of covering and lighting the whole pushed slab kiln inner wall surface after being processed through expansion shaping. The passive imaging receiving device is arranged on the outer side of the other end of the kiln body and used for receiving the laser beams from the kiln and producing corresponding detecting images. The central processing unit is used for conducting real-time judgment for the pushed slab kiln inner surface conditions according to the detecting images produced by the passive imaging receiving device, so that the monitoring of the pushed slab kiln inner wall surface condition is achieved. The system used for conducting the on-line monitoring for the pushed slab kiln inner wall surface condition is capable of achieving effective detection for the pushed slab kiln inner wall surface condition with the compact structure and the convenient operation. At the same time, the system has the advantages of being high in automation degree and detection precision, and suitable for on-line detection and the like.

Description

technical field [0001] The invention belongs to the technical field of kiln detection, and more specifically relates to a system for performing on-line monitoring of the condition of the inner wall surface of a pusher kiln. Background technique [0002] The industrial kiln is a device made of refractory materials for calcining materials or firing products. Its working principle is that fuel enters the furnace and burns. Part of the heat emitted is absorbed by the heating medium, and the other part is used to maintain the entire environment in the furnace. temperature. Industrial kilns usually include kiln chambers, combustion equipment, ventilation equipment, and conveying equipment, and can be divided into kiln car kilns, pusher kilns, roller kilns, conveyor belt kilns, and air cushion kilns according to the carrier of the green body. . Among them, the push plate kiln is a continuous tunnel kiln that uses a refractory push plate to transport the product into the kiln for ...

AI Technical Summary

Problems solved by technology

However, many test practices have shown that, first of all, for pusher kilns with operating temperatures as high as thousands of degrees Celsius, ordinary lasers often cannot effectively penetrate this high-temperature and high-dust environment and cannot effectively perform detection; secondly, in this method, the The laser trajectory is directly photographed, and the wavelength band between the laser and the camera is not uniform, which will cause defects such as distortion of the detection image and limitations of the detection imaging; finally, because a large number of detection images are often obtained in the real-time detection process, this method There is a lack of effective analysis and processing methods for image post-processing, and there are problems such as low detection accuracy and poor operation convenience

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