Method for adjusting water quantity of blast furnace soft water closed circulating cooling system

• Main Authors: LIN WEI, YIN TENG, LIU DONGLIANG, ZHANG ZHENGDONG, ZHENG HUAWEI, HUANG PING, LI FEI, XIA QIUYU, LI XIN, ZHANG QINGXI
• Format: Patent
• Language: Chinese; English
• Published: 25.10.2022
• Subjects: CHEMISTRY; MANUFACTURE OF IRON OR STEEL; METALLURGY; METALLURGY OF IRON

The invention discloses a method for regulating the water quantity of a blast furnace soft water closed circulating cooling system, which comprises the following steps: controlling front and rear valves of a degassing tank-expansion tank control system, and detecting the critical states of water quantity and water pressure change in the regulating process by using an instrument, so that the stable operation of the system after the water quantity is increased is realized; the online rapid and accurate adjustment of the blast furnace cooling water amount is realized, the stable operation of the blast furnace soft water closed circulation system is realized, and the cooling capacity required by the blast furnace is ensured. 本发明公开了一种高炉软水密闭循环冷却系统调节水量的方法，通过脱气罐-膨胀罐控制系统的前后阀门控制，同时利用仪表检测在调节过程中水量和水压变化的临界态，从而实现增加水量后系统平稳运行，实现高炉冷却水量的在线快速精准调节，实现高炉软水密闭循环系统的稳定运行，保证高炉所需的冷却能力。