燃料输送设计有防止回火的保护装置，有防止燃料在炉膛内爆燃的泄爆机构。因此锅炉运行安全可靠。
Fuel delivery with protection device to prevent tempering, owning venting mechanism to prevent the fuel deflagration in the furnace. Therefore the boiler is of safe and reliable operation.
阻火器是用来阻止易燃气体、液体的火焰的蔓延和防止回火而引起爆炸的安全装置。
Hinder firearm to is it prevent flammable gas, liquid flame from spread and prevent flash back but cause safety device of explosion to used for.
用基于风险检验评估方法分析了石化装置中运行的高温设备发生脆性断裂失效的可能性，介绍了利用回火脆化损伤因子确定最低升压温度的计算方法，为装置安全生产提供了可靠依据。
The method to determine the minimum upset temperature by means of the damage factor of temper embrittlement was introduced, and the dependable basis for equipment safe operation was offered.
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