Automatic Steel Loading Control Method for Regenerative Walking Heating Furnace

A control method and heating furnace technology, applied in the direction of electrical program control, sequence/logic controller program control, etc., can solve the problems of large vibration, inaccurate positioning, high replacement rate, etc., and achieve error reduction, accurate positioning, and positioning short time effect

Active Publication Date: 2017-02-15
CHONGQING IRON & STEEL GRP ELECTRONIC CO LTD
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Problems solved by technology

With the mechanical positioning method, the steel billet is in mechanical hard contact with the positioning device, the vibration is large, the positioning device is easily damaged, and the replacement rate is high; and the vibration transmission of the mechanical transmission equipment takes time, resulting in that the stop time of the roller table is not necessarily the same for each billet. resulting in inaccurate positioning

Method used

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  • Automatic Steel Loading Control Method for Regenerative Walking Heating Furnace
  • Automatic Steel Loading Control Method for Regenerative Walking Heating Furnace
  • Automatic Steel Loading Control Method for Regenerative Walking Heating Furnace

Examples

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Embodiment Construction

[0021] see Figure 1 to Figure 4 , an automatic steel loading control method for a regenerative walking heating furnace, comprising the following steps:

[0022] 1) Set the first photoelectric switch F1 next to the roller table outside the furnace, set the second photoelectric switch F0 between the roller table outside the furnace and the free roller in front of the furnace, and set the time in the control system of the roller table in the heating furnace interval T1 and time interval T2;

[0023] 2) Start the roller table outside the furnace at high speed to transport the billet to the heating furnace. When the head of the billet reaches the position of the first photoelectric switch F1, if the heating furnace sends a signal allowing steel loading and the furnace door is opened in place, the rollers entering the furnace outside the furnace The furnace continues to run at high speed, and the roller table in the furnace runs at high speed, go to step 4); if the heating furnace...

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Abstract

The invention discloses an automatic steel loading control method of a heat accumulating type stepping heating furnace, and relates to the steel loading field of heat accumulating type stepping heating furnaces. Time delay is used for achieving steel loading and positioning, positioning time is short, and positioning is accurate.

Description

technical field [0001] The invention relates to the field of steel charging for a regenerative walking heating furnace, in particular to an automatic steel loading control method for a regenerative walking heating furnace. Background technique [0002] At present, there are generally two ways to control the steel loading of the regenerative walking heating furnace: one is to use a photoelectric switch for positioning control. This control method is to install a photoelectric switch near the furnace door. When the billet head is detected by the photoelectric At the end, after the high-speed running time T1 of the roller table in the furnace, the roller table in the furnace decelerates to a low-speed running time T2 and stops to complete the positioning of the steel billet on the furnace loading roller table. Time T1 and T2 are determined by on-site debugging. Since the billet has different degrees of bending within the allowable range, and the billet slips when the roller ta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/05
Inventor 肖薇舒钢杨洋彭璠杨戆叶波
Owner CHONGQING IRON & STEEL GRP ELECTRONIC CO LTD
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