2400mm 40-60tpd Kraft Paper Making Machine

The paper machine described features several key components and technologies:

1. Air-Cushion Headbox:

• The paper machine is equipped with an air-cushion headbox, which helps disperse the pulp evenly and uniformly onto the forming wire.

1. Forming Section:

• The forming section consists of a three-layer wire setup, which aids in the formation of the paper web.

1. Press Section:

• The press section incorporates three vacuum suction devices, one vacuum press roll, and two jumbo rolls. These components work together to remove excess water from the paper web efficiently. Additionally, a hydraulic pressurization system is utilized to enhance the pressing process.

1. Drying Section:

• The drying section features a single-tooth box transmission system and a square box-type frame. These components contribute to the effective drying of the paper web.

1. Hood System:

• The paper machine utilizes a semi-closed hood system, which helps control the drying environment and temperature within the machine.

1. Control System:

• An all-digital inverter control system is employed to monitor and regulate various aspects of the paper machine's operation, ensuring precise control and efficiency in the production process.

Main Equipment of Paper making machine:

The paper machine production process involves several key sections:

1. Wire Section:

- The headbox distributes a uniform jet of watery stock onto the wire or forming fabric.

- Foils beneath the wire remove water and improve fibre uniformity, creating a tight mat of fibres.

- Suction boxes vacuum out water, forming a soft mat of pulp that becomes the paper sheet or web.

2. Press Section:

- The paper web passes through nip rollers that squeeze out water and compress fibres, creating a dense, smooth sheet.

- Water content is reduced to between 45-55% at this stage.

3. Drying Section:

- The paper web moves through steam-heated drying cylinders, reaching temperatures of up to 130ºC to achieve 80-85% dryness.

- Wet sizing solution is applied to add a layer of starch for stiffness and fibre bonding.

- Additional heated drying cylinders further dry the paper, with the web traveling approximately 400 meters through this section and losing around 93% of its water content.

4. Finishing:

- The paper passes through smooth rollers, either hard or soft, to press and emboss a smooth, glossy surface suitable for printing.

5. Winding:

- The paper exits the machine and is wound onto a jumbo reel, weighing up to 50 tonnes and measuring up to eleven meters wide.

- The jumbo reel is transported to a winder where the paper is unwound and cut into smaller rolls as per customer requirements.

Main Parameters of Kraft paper making machine:

Dryness of Craft Paper

Fresh water, clarified water

Power Supply