The reliability lab ship fuel oil donkey boiler controlled by relay control system is evaluated using counting method, and mean time to failure (MTTF) of the control circuit is educed.
Analysis the character of hydrodynamic calculation for natural circulation of industrial boiler and give the recommendation of calculation method for simple and complex circulation circuit.
分析工业锅炉自然循环的水动力计算特点,对简单及复杂循环回路的计算方法提出建议。
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The paper introduced a particular pneumatic control circuit to open and close the boiler lid.