VER 3753 - 5537 mm Paper Machine for Newsprint

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Production capacity: 200 Tpd, producing paper 22.5 to 55 lbs per 3300 sq.ft
Basis range: 35 to 90 g/m²
Manufacturer: Pussey and Jones, 1939
Maximum design speed: 600 m/min
Furnish used: softwood 100% (28 - 48% semi–bleach kraft plus stone ground wood) and broke 15 - 20%
Left hand drive from the headbox

Stock approach
Primary fan pump is an Ingersoll Rand model 18HLV with a 1000 Hp motor

Refiners
Ground wood Beloit DD refiner 4000 series, 38” discs, MD with 1250 Hp and 500 rpm motor
Kraft Beloit DD refiner 4000 series, 24” discs

Pressure screens
Beloit model 18 centriscreen number 707 with rejects going to a Beloit model 24 Johnson vibrating screen

LD cleaners
Bauer 623-4N LD 22 primary cleaners and 4 secondary
Celleco Cleanpac 350 tertiary
Final stage cleaning is by a stainless steel Noss pressure screen

Wet end
Beloit type H airpad headbox 5969 mm slice width with 3 evener rolls
Weight control by measurex
Slice controlled by actuators fitted at 152 mm centres
Wire fabric ( 111 ft 6”x 248 ft)
Dandy roll Ř: 1230 mm
Seven foil units
5 suction boxes
Beloit wire frame, run out type and cantilevered
C.I. wire frame
Cantilevered suction couch with Nash CL 4002 vacuum pump
Centres between breast roll and couch: 20 m approx

Press sections
Beloit manufacture with 2 straight through presse; first press suction with 222 PLI loading, and second is a Venta –Nip with 450 PLI loading
6 Nash vacuum pumps for presses

Dryer section
Total of 40 cylinders with Ř 1524 mm
2 drive sections for dryers
4 felt dryers
3 sections are operating a cascade system with operating pressure of 30 psi, with bolted ends so they could be suitable for an increase in steam pressure subject to testing
A,F bearings with central lubrication system
Meaurex moisture control water shower mounted in dryer 5

Calender stack
Single calender: 7 rolls with 5 nips
Unit has Caltrol system for calender control

Cross machine scanner
Measurex model 2002
Measuring basis weight, caliper, moisture, colour, brightness, opacity, thermatrol, caltrol and Moistrol actuators

Pope reel
Sandyhill horizontal design, manufactured 1989
The machine has a dry end Sydra pulper with twin vertical rotors. This is used as a common broke pulper for all four older paper machines

Machine Drive
Sectional electric drive driving via gearboxes
Reliance Automax 111 digital drive installed in 1989

Rewinder
Cameron rewinder model 80: twin drum rewinder with one drive motor, score cut slitters
Rider roll programming with load cells tension control
Motor driven with a Reliance digital control system
Machine hall has 2 overhead cranes