This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of ZHZ type plate falling film evaporator. This standard applies to ZHZ type plate falling film evaporators (hereinafter referred to as "evaporators") used in concentrated black liquor or other similar processes in the papermaking industry.
QB/T 2073-1994 history
1995QB/T 2073-1994 ZHZ plate type falling film evaporator