A Coke Pushing Process Control Method for Reducing the Coking Pushing Current

Abstract

The invention discloses a coke pushing process control method for reducing the coke pushing current in the coking oven, which comprises the following steps: 1) After the coke in the coking oven coking process is mature, the furnace door is opened on the left, upper and right walls of the coking oven wall Carry out high-pressure oxygen purging separately until the graphite on the wall is burned; 2) After the oxygen purging is completed, align the coke pusher rod with the coke in the coke oven and gradually move towards the coke. After an instant stop for 1s, continue to advance at the speed of the first gear. When moving forward at the first gear speed for 1‑1.2s, switch to the second gear. After moving forward at the second gear speed for 1‑1.2s, switch to the third gear. After moving forward for 6‑7s, switch to gear 4, and continue to push the coke to push the coke out of the carbonization chamber.

Description

technical field [0001] The invention belongs to the technical field of coke pushing production operation control in the coking production process and furnace wall safety protection and longevity control, and in particular relates to a coke pushing process control method for reducing the coke pushing current out of the coke making furnace. Background technique [0002] With the expansion of iron-making production capacity, the corresponding coke production capacity that provides iron-making raw materials has also been rapidly expanded. In order to produce more coke, many companies will produce coke ovens at full capacity and even some coke ovens will be overloaded, which will lead to Difficult coke pushing and high current phenomenon occur in the production process, which in turn affects the normal production. Difficulty in coke pushing or high current in coke pushing is a very important cause of damage to the coke oven body, which in turn will lead to a reduction in the life...

AI Technical Summary

Problems solved by technology

[0006] 2. There is too much graphite on the top of the carbonization chamber and the furnace wall

[0007] 3. Too much coal is charged, and the coke line is too high

[0008] 4. Equipment failure

[0009] 5. The temperature is too high, and the coke is overfired and broken

[0016] For the existing coke ovens, the phenomenon of difficult coke pushing and coke pushing high current often occurs, which seriously affects the normal production of coke ovens, especially the output of coke production and thus affects the normal production of blast furnaces