The combinedfiring of ground, cover and finishing coat of enamelwares has been described. This new technique results in better quality, simplified processing and energy saving.
A wet-firingcombined process has been developed for preparing yellow lead and red lead from scrap lead batteries.
以废铅蓄电池为原料，采用湿法、火法联合冶炼技术制备黄丹和红丹。
3
The design method was put up according to the base steam load when the character of the combined combustion boiler was taken into account of bark CFB and pulverized coal firing.