The reconstructed system overcame disadvantages of the former system and added PLC to control device.It assured stable heat output of the mixing gas, met the needs of users and realized energy saving.

• 改造后的系统克服了原系统的缺点,增加了PLC控制设备,保证了混合煤气发热量的稳定,达到了用户的要求,实现节能降耗。