并指出焊接过程中层间温度的控制，在用热处理控制柜自动控制的同时，再采用便携式远红外测温仪对层间温度进行校核，可以避免层间温度超标现象。
In welding process, the over range of the interpass temperature can be avoided by the control of heat treatment equipment and by the check of the far-infrared temperature instrument.
通过采取焊前预热、控制焊接线能量和层间温度、焊后保温缓冷等工艺措施，并采用相应的检测方法，保证了胺液吸收塔的低温焊接质量。
According to the test, the welding interlayer temperature of X60 pipeline in the normal and low temperature is analyzed in order to study the influence of its variable range on welding quality.
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