我公司现有大型油漆线四条，其中，总装整机油漆线自投产以来效果一直不理想。设计的烘干室是封闭的，采用电阻丝并联方式加热，电阻丝发生故障很难准确定位，给维修带来了很大困难；故障后，由于发热功率减少，加热烘干效果不好；热损失、油漆废气直接排放到空气中，不利于节 My company has four large paint lines, of which the assembly line has been finished since the paint production has been unsatisfactory effect. The design of the drying chamber is closed, the resistance of the wire in parallel heating, resistance wire failure is difficult to accurately locate the maintenance has brought great difficulties; failure, due to reduced heating power, heating and drying effect is not good; heat Loss, paint exhaust directly into the air, is not conducive to section