锅炉改造后25%以上负荷水循环正常，采取的改造锅炉水循环系统的措施是成功的。
No water circulation problem will arise with the boiler load 25%d0 after water circulation system of boiler was remade.
介绍了控制循环锅炉的结构特点，水冷壁等系统的设计准则，水循环系统设计的计算步骤及设计中关键数据的选取。
The pressure parts construction, design criteria of water wall, calculation procedure of water circulation and selection of critical parameters for controlled circulation boiler are introduced.
探讨了燃气常压热水供热锅炉房燃气供气系统、热水循环系统、报警系统等的安全设计。
The safety design of gas supply system, hot water circulation system, alarm system and so on in atmospheric gas hot-water heating boiler room is discussed.
探讨了燃气常压热水供热锅炉房燃气供气系统、热水循环系统、报警系统等的安全设计。
The safety design of gas supply system, hot water circulation system, alarm system and so on in atmospheric gas hot-water heating boiler room is discussed.
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