煤气压力的稳定性是保证球墨铸管退火质量的关键。
The stability of gas pressure is crucial to assure the quality of ductile cast iron pipes.
同时实现了机焦侧混合煤气压力以及分烟道吸力的自动控制。
While achieving the coke side of the mixed flue gas pressure and suction control points.
并以煤气罩式退火炉为例，建立了该过程的数学模型，提出了有煤气压力干扰补偿方案。
The mathematic model of this process is built based on a covered anneal gas boiler, and a disturbance compensation method is provided.
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