潮模砂日益增长的热负荷，更快的循环时间以及对造型材料质量要求的提高，对型砂制备提出了更高的要求。
The growing thermal load of green sand, the quicker recirculation times and the increased requirements on the quality of molding material make new demands on the molding sand preparation.
将热水锅炉的水循环由自然循环改为引射循环，强制提高回路的循环水量，使各回路的循环水量分布与其受热面的热负荷相匹配。
By replacing natural circulation with ejecting circulation, the circulating water in each loop can be increased and match with the heat load of related heating surface.
为解决循环流化床锅炉发电机组负荷变化时的机炉协调控制问题，需要对发电机组的热功效率进行在线计算。
Online calculation of heat to power output efficiency of thermal generator set is important for the load coordination control in the CFB boiler thermal generator set.
高温取热炉传热计算和水动力计算结果表明热负荷较低时，水循环容易发生停滞。水循环回路结构复杂容易导致并联管内的流量分配不均匀性较大。
The heat transfer and hydrodynamic calculation results of the waste heat boiler show that water circulation is stagnant when the thermal load is very low.
高温取热炉传热计算和水动力计算结果表明热负荷较低时，水循环容易发生停滞。水循环回路结构复杂容易导致并联管内的流量分配不均匀性较大。
The heat transfer and hydrodynamic calculation results of the waste heat boiler show that water circulation is stagnant when the thermal load is very low.
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