A control method and device for a sintering ignition furnace
A control method and sintering point technology, which are applied in the furnace control device, furnace, charge and other directions, can solve the problems of unsatisfactory control effect and low control accuracy.
Active Publication Date: 2019-11-19
SHOUGANG JINGTANG IRON & STEEL CO LTD +1
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[0003] The existing sintering ignition furnace control method mainly adopts temperature control, that is, when the temperature of the sintering ignition furnace is too high, the gas flow rate is reduced, and when the temperature of the sintering ignition furnace is too low, the gas flow rate is increased. Controlled as a control condition, the final control effect is not ideal, and there is a problem of low control accuracy
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[0064] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0065] An embodiment of the present invention provides a method for controlling a sintering ignition furnace, such as figure 1 As shown, the method includes:
[0066] Step 101: In the process of igniting the sintering machine by the sintering ignition furnace, if the sintering machine is in the power-on state, obtain the gas flow rate of the sintering ignition furnace as the first gas flow rate.
[0067] Step 102: According to the...
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The invention relates to the technical field of sintering processes, in particular to a control method and device for a sintering ignition furnace. If a sintering machine is in a starting state, the coal gas flow of the sintering ignition furnace is obtained as a first coal gas flow; a first coal gas adjusting amount is obtained according to the relation between the temperature deviation of the current temperature and a target temperature of the sintering ignition furnace and a temperature deviation dead band value and the relation between the temperature deviation and the temperature deviation maximum value; whether a preset machine speed and / or a target temperature of the sintering machine are / is changed or not is judged; if the preset machine speed and / or the target temperature of the sintering machine are / is changed, the total coal gas adjusting amount is obtained according to the first coal gas flow, the first coal gas adjusting amount and a second coal gas adjusting amount; if the preset machine speed and / or the target temperature of the sintering machine are / is not changed, the overshoot judgment process is conducted on the sintering ignition furnace, and the total coal gasadjusting amount is obtained after the overshoot judgment process; and the sintering ignition furnace is subjected to feedback adjusting according to the total coal gas adjusting amount, and accordingly the temperature of the sintering ignition furnace is controlled accurately.
Description
technical field [0001] The invention relates to the technical field of sintering technology, in particular to a method and device for controlling a sintering ignition furnace. Background technique [0002] Reasonable control of the temperature of the sintering furnace is not only the premise to ensure the sintering quality of sintering ore, but also under the background of energy saving and emission reduction, reasonable control of the temperature of the sintering furnace can significantly reduce the gas consumption in the sintering process and reduce the gas consumption caused by incomplete combustion. Emission of polluting gases. [0003] The existing sintering ignition furnace control method mainly adopts temperature control, that is, when the temperature of the sintering ignition furnace is too high, the gas flow rate is reduced, and when the temperature of the sintering ignition furnace is too low, the gas flow rate is increased. Controlled as a control condition, the ...
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IPC IPC(8): F27B21/14
CPCF27D19/00F27D2019/0003F27D2019/004F27M2003/04
Inventor 史凤奎安钢周检平孙涛石江山赵景阳樊统云康海军秦雪刚刘莎莎赵景军王同宾熊大林杨伟强张国超程峥明罗尧升李佳刘万里霍文涛张宇郝乐郝义全陈永亮刘涛洋赵晋付迎春
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD