PaperAge Magazine

ANDRITZ to Supply Pulp and Process Equipment for Sun Paper's New Mill in Beihai, China

Twin Wire Press for pulp dewatering ANDRITZ' scope of supply includes a Twin Wire Press for pulp dewatering.

June 23, 2020 - ANDRITZ has received an order from Sun Paper to supply pulp dewatering and white liquor plant technologies and key process equipment for their new pulp mill in Beihai, China.

The scope of supply on EPS basis includes the following equipment:

Wet lap system with two production lines for a capacity of 1,120 admt/d bleached hardwood kraft pulp, each consisting of a Twin Wire Press for pulp dewatering, a cutter-layboy and a baling line. Wet lap is flexible with regard to the pulp type, with the option of producing also other pulp grades if needed.

White liquor plant with a capacity of 10,500 m3/d and comprising major recausticizing equipment and an ANDRITZ LimeKiln. The recausticizing plant delivery includes a LimeSlake slaker-classifier, three causticizing tank agitators, white liquor filtration with a LimeWhite filter to maximize the white liquor quality, and efficient lime mud filtration with a LimeDry filter ensuring high lime mud dryness, which results in low heat consumption in the kiln. The new ANDRITZ LimeKiln, with a capacity of 950 t/d, has a multifuel burner and a high-efficiency LimeCool sector cooler.

Evaporation plant with a high-concentration section for a total evaporation capacity of 1,100 t/h and a final dry solids content of 85%. The evaporation plant delivery includes key equipment and technology with ANDRITZ multiple-effect lamella evaporators.

Ash re-crystallization (ARC) system, with an ash handling capacity of 400 t/d, to treat the ash from the electrostatic precipitator by decreasing the chloride and potassium content while recovering sodium and sulfate. The ANDRITZ ARC process is based on evaporative crystallization by using economical mechanical vapor recompression (MVR) technology as the heat source.

Start-up is scheduled for the fourth quarter of 2021.

ANDRITZ Pulp & Paper is a global supplier of equipment, systems and services for the production and processing of all types of pulps, paper, tissue, and board. To learn more, please visit: