VER3539 - 3300 mm Beloit Tissue Production Line
Manufacturer: Beloit, Italy
Year of manufacture: 1965
Rebuilt: 1992 new Yankee cylinder
Width at pope reel: 3300 mm
Inclined wire type, with suction breat roll and single felt
Design speed: 1220 m/min
Basis weight range: tissue and MG varieties 13 to 36 g/m2
Production capacity: 75 Tpd
Drive: left hand side
Electrical supply: AC 380 Volts, 50 Hz
Stock preparation
Pulp feeding conveyor, slat type
32 m3 Voith pulper type VS, year 1966, impeller and screen plate stainless steel, Siemens motor 110 Kw, 980 rpm
Dump chest in concrete, agitator with motor
2 x Voith deflakers, connected parallel, motor AEG 160 Kw, 148 rpm
Concrete mixing chest with agitator and drive
Refiner feeding pump with motor
High density cleaner made by DSR, type Voith S3, 1200 l/min throughput
Beloit Jones 34" DD refiner series 4000, with BBC motor 420 Kw, 585 rpm
Refined pulp chest in concrete with agitator
Fixed feeding pump (cleaner pump) with motor
All piping, valves, fittings, instruments of the stock preparation system as available
Approach flow
Cleaner plant type Vortrap, 3 stage with accept from the first stage to level box, reject from third stage to vibrating screen
Consistency regulator with basis weight valve
Worthington fan pump type 241 A 2, 3600 m3/h at 720 rpm and 30 m head, Schindler Reliance motor type D 400 Rh, 480 Volts, 720 rpm, 442 Kw
Ahlstrom pressure screen type M 50, with Siemens motor 142 Kw
Beloit Jones polydisc filter, 7 discs Ø 2400 mm
Broke pulper under the Yankee cylinder, concrete
Headbox
Made by Beloit, pressurized, with 3 rectifier rolls each driven separately. Pond width 3505 mm, with 12 spindles
Former
Inclined wire former, wire 3607 mm wide and 16.2 m long
Driven suction breast roll Ø 956.4 mm
Wire leading roll Ø 384 mm
Drainage elements consisting of 3 single foils and one suction box
Driven wire return roll Ø 610 mm, with Reliance motor 480 V, 110 Kw
2 bottom rolls Ø 368 mm
Press section
One single pick-up felt, 3.8 m wide x 27.4 m long
Pick-up by suction foil
Suction pressing roll on Yankee, Ø 360.7 mm, rubber covered; drive by Reliance DC motor
Blind drilled pressing roll on Yankee; drive by Reliance motor
Felt rolls, felt stretches, guiding mechanisms with rolls and boxes as available
Yankee dryer
Manufacturer Valmet, year 1992
Ø: 4876 mm
Face length: 4198 mm with heads, cold status
Face length: 3962 mm without heads
Bearings: 5054.6 mm
Shell original thickness: 70 + 0.3 mm
Shell present thickness: 70 mm
Number of grindings after installation: 1
Operating pressure: 850 KPA / 123 PSI
Test pressure: 1700 KPA / 246 PSI
Max design temperature: 178 C°
Max material temperature: 232 C°
Design balancing speed: 1800 m/min
Number of doctors: 3 lodding doctors
Yankee drive through a double shafted gearbox; first motor Ansaldo 490 V, 184 Kw; second motor 400 V, 184 Kw
Overall length: 6519.6 mm
Cylinder weight without bearings: 82600 Kg
Yankee turned permanently by a Sunday drive
Yankee is ASME coded
Hi-intensity hood on Yankee
Manufacturer SF, Italy
Gas fired type
Fuel: natural gas
Throughput of fuel for the primary burner: 36 m3/h
Pressure of fuel delivered to primary burner: 10 psig
Fan for primary burner: IN
Fan for secondary burner: IN
Furnace: IN
Ignition burner: Pyronics, model 108 P8 ST
Electro ignition transformer RAE, 220-6000 V
Exhaust blower from hood
Ventilator to burner, capacity 5500 m3/h, at 1780 mm Hg, motor 75 Hp
Circulation fan
Pope reel
Manufacturer Beloit
Machine drive
DC drive with Thyristor panel
Number of driven rolls: 7
Steam and condensate system
Supplier: Beloit
Vacuum system
Turbair blower with gearbox
QCS system
Manufacturer: Accuray
Type: 1180
Number of frames: 1
Location of frames: before pope reel
Basis weight and moisture measurement and control
Combining winder
Manufacturer: Jagenberg, 1966
Type: Varidur, TR 43-15 A
Working width: 3400 mm
Substances: 14 - 45 g/m2
Speed: 1600 m/min
2 unwind stands; third one taken out. Belt driven, max unwind Ø: 1830 mm, with mechanical brakes
Tape driven by a roll Ø 318 mm, motor 1.5 Kw
Kuesters press, top roll Ø 420 mm, bottom roll - S roll - Ø 360 mm
Narrowest slitting width: 100 mm
Number of top slitters: 12
Rewind Ø: 1500 mm shaftless on cores 70 and 76 ID
Roll ejection and lowering device
2 DC motors drive with Siemens panels
Trim removal system with chopper fan
Power supply: 380 V, 50 Hz