SD输送机共包括三段：加料段、预热段、连接小车进料段。
T/SD Conveyor including 3 sections, which are charging section, preheating section, connecting car section.
铜线退火后发红：连续退火分三个段：预热段，工作段、冷却段。
After annealing copper red: continuous annealing three sections: preheating section, the work piece, cooling section.
预热段因线的长度比较长，温度不会超过250度，不至于让铜线变色的。
Preheating section for line length is longer, the temperature is not more than 250 degrees, and not let the discoloration of copper wire.
本发明公开了生产氧化球团矿链篦机――回转窑法链篦机预热段的单边抽风工艺。
The invention discloses a unilateral air draft process of kiln process chain grate preheating section for making oxidized pellet.
无氧化段由入口密封室，废气预热区，直接加热区，炉喉，废气排放系统组成。
The non-oxidizing zone is consisted of entry sealed room, waste gas preheating zone, direct heating zone, and furnace nozzle and flue gas exhausting system.
对充气热管空气预热器的结构进行分析和应用介绍，采用平界面模型，确定充气热管冷却段的有效长度。
By using a flat interface model it is possible to determine the effective length of a gas-filled heat pipe cooling section.
分析认为，无论最后的决定如何，在一段长时间的预热之后，调整会一步步进行。
Regardlesss of the final decision, the adjustment will be brought about step by step after a long "warm up" period, analysts explained.
因此一段炉辐射段不作改造，仅对流段作相应改造以满足主要介质的预热要求。
Therefore, it's not necessary to rebuild the radiation section of the first reformer, there is only need to transform the convertion to meet the pre-heating requirement of main materiel.
在高速升温段，由于局部炉气分布不均匀，修正换热系数较大；而在预热和保温段，计算所得的修正换热系数较小。
The corrected heat transfer coefficient is large in the high-speed heating process due to the local an uneven furnace atmosphere distribution, and is small in the preheating and holding period.
研制了用单片机组成的点焊控制箱，可完成三阶段加热焊接循环，实现预热、回火等。
A controlling box is developed using with 8031 single chip microprocessor. It can provides the controlling for 3 stages of heating of welding cycle, preheating and tempering etc.
研制了用单片机组成的点焊控制箱，可完成三阶段加热焊接循环，实现预热、回火等。
A controlling box is developed using with 8031 single chip microprocessor. It can provides the controlling for 3 stages of heating of welding cycle, preheating and tempering etc.
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