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Real-time monitoring system for inside view field and temperature of rotary hearth furnace and control method

A real-time monitoring and rotary hearth furnace technology, applied in the direction of furnace, charge, furnace type, etc., can solve the problems of inability to ensure production stability, inability to effectively adjust the smelting process, and inability to obtain the spatial temperature distribution of the furnace bottom material layer, etc., to achieve The effects of online and intelligent, reduced energy consumption, and data integrity

Active Publication Date: 2017-01-18
宝武集团环境资源科技有限公司
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, thermocouples can only measure the temperature of local points in the furnace, but cannot obtain the spatial temperature distribution of the furnace bottom material layer, resulting in the inability to effectively adjust the smelting process and ensure the stability of production

Method used

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  • Real-time monitoring system for inside view field and temperature of rotary hearth furnace and control method
  • Real-time monitoring system for inside view field and temperature of rotary hearth furnace and control method

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Embodiment Construction

[0009] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0010] see figure 1 and figure 2 , a real-time monitoring system for field of view and temperature in a rotary hearth furnace according to the present invention, comprising a high-temperature imaging temperature measuring probe 10, an outer protective sleeve 20, and a pneumatic device for controlling the high-temperature imaging temperature measuring probe 10 to enter and exit the outer protective sleeve 20 Advance and retreat device 30 , electric control cabinet 40 , air source box 50 , controller 60 and image temperature display 70 . The outer protective sleeve 20 is arranged in the furnace wall 80 of the rotary hearth furnace for protecting the high temperature imaging temperature measuring probe 10 and can be connected by welding or bolts. ...

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Abstract

The invention discloses a real-time monitoring system for the inside view field and temperature of a rotary hearth furnace and a control method. The system comprises a high-temperature imaging temperature measuring probe, an outer protecting sleeve, a pneumatic driving and reversing device, an electric control cabinet, a gas source box, a controller and an image temperature displayer; a radiation spectrum signal acquired by the high-temperature imaging temperature measuring probe is displayed on the image temperature displayer after being processed by the controller; and the controller comprises an industrial control computer, temperature measuring analysis software for analyzing the acquired radiation spectrum signal, an image processing module for processing the radiation spectrum signal, a colorimetric temperature measuring module, a background compensation module, a temperature measuring curve module, a report storing module, an over-temperature alarm module and an image temperature display module. With the system, multi-point distribution of the surface temperature of a material layer at the furnace bottom can be detected and acquired online, acquired distribution data of the surface temperature of the material layer in the furnace are directly reflected, combustion optimizing control is effectively guided, and the stability of the heating quality is guaranteed.

Description

technical field [0001] The invention relates to the field of iron-containing solid waste recovery control, in particular to a real-time monitoring system and control method for the field of view and temperature in a rotary hearth furnace. Background technique [0002] The rotary hearth furnace process is currently the most industrialized process for treating metallurgical zinc-containing dust and sludge. During the working process, the temperature is the most important factor affecting the direct reduction of carbon-containing pellets in the furnace bottom. If the furnace temperature is too low, it is not conducive to the reduction of carbon-containing pellets, which will eventually lead to too low metallization rate of the product and reduce product quality; while the furnace temperature is too high, it will cause the melting of carbon-containing pellets at the bottom of the furnace and erode the bottom of the furnace, seriously Sometimes the furnace has to be shut down for...

Claims

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Application Information

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IPC IPC(8): F27B13/14
CPCF27B13/14F27M2001/01
Inventor 张元玲彭程刘长正吴正怡吴益新范建峰
Owner 宝武集团环境资源科技有限公司
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