Jinhai Pulp Mill

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Jinhai Pulp Mill:
A Technological Marvel in Paper Production

The Jinhai Pulp Mill, located in the Yang Economic Development Zone in China, stands out as a technological marvel in the paper production industry. At its core is the Hainan PM2, the world’s largest paper machine, showcasing impressive specifications and capabilities.

TechnologicalMarvel

Hainan PM2 Specifications

Dimensions and Capacity
Length:** 428 meters
Width:** 11.6 meters
Paper Production Width:** 10.96 meters
Annual Production Capacity:** 1.2 million metric tons

DimensionsAndCapacity

Speed and Efficiency
Design Speed:** 2000 m/min
Maximum Operating Speed:** 1,700 m/min
Production Time for a Jumbo Roll:** Approximately 30 minutes
Jumbo Roll Specifications:** 90 tonnes, 3.55 m diameter

SpeedAndEfficiency

Technical Components

Press Section
Features:** Tandem NipcoFlex press
Design Width:** 11 meters
Length:** 20 meters
Height:** 10.5 meters
Weight:** Approximately 500 tonnes

PressSection

Coating and Drying
Coating Stations:** Four
Dryers:** 61 (87 total dryer cylinders)
Speedsizers:** Three (one for starch, two for pigment coating)

CoatingAndDrying

Stock Preparation
DIP:** 355 tons per day
NBKP:** 710 tons per day
LBKP:** 1,655 tons per day
BCTMP:** 1,185 tons per day
PCC:** 700 tons per day

StockPreparation

Paper Specifications
Uncoated Paper Weight:** 151.1 g/m²
Finished Paper Weight:** 255.3 g/m²
Paper Range:** 150 to 250 g/m²
Fiber Content:** Generally about 55%

PaperSpecifications

Water Conservation
The Hainan PM2 is designed with a strong focus on water conservation, with an anticipated fresh water consumption of about 6 liters per kilogram of paper produced. This is significantly lower than the Chinese government’s maximum allowable consumption of 10.5 L/kg, highlighting the mill’s commitment to sustainability.

WaterConservation

Materials
Constructing a machine like the Hainan PM2 requires approximately 2,000 tons of stainless steel in flat products, tubes, and fittings to withstand the wet and high-chloride process conditions.

Materials

This state-of-the-art facility represents a significant advancement in paper production technology, combining massive scale with efficiency and environmental considerations.