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PSV0115 2600 35 135 .

  25000 / 80 35000 / 115 .
2600
515 /
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Presentation of the paper machine

The Machine is a one side coated paper machine that produced 25000 tons per year.
The trim is 2.6 meters maximum at the winder.
The maximum speed is 515 m/min.
The production was for label and packaging paper, wallpaper and self adhesive markets.
The produces more than 30 different grades.
The machine produced white and coloured paper; thin (35 g/m²) and heavy (130 g/m²)

Pulp preparation

Pulper

Voith

Automatic feeding

40 m3;

6% consistency;

120 tons / day

Transport band

Fördertechnik

Automatic

120 tons / day

WS Pulper

Grubbens

Manual feeding

6 m3;

6% consistency;

5 tons/day

The broke is mixed directly with the pulp in the pulper. Only the wet strength paper is introduced by hand into the grubens pulper.
Refining
The refining section is divided in 2 parts.
1
st one is made of 3 Double Disks refiners
2
nd one is made of one Double Disks and one Conflow refiners
The SR varies between 28 and 45 SR.
Short circulation
See the following flow chart Circuits de pâte de la machine à papier
There is a three stages cleaners device and one screener.
See the following flow chart Circuits deau blanchede la machine à papier
Raw materials
Fillers like kaolin and carbonates are mixed with the pulp in the pulper.

Pulp

Bleached and unbleached pulp

In pulper

Fillers

Talcum, kaolin, carbonates, titanium dioxyd

In pulper

Sizing agents


In the Pit

Dyes


In pulper

Retention agents

no


Machine
Headbox
The headbox has a design capacity of 1000 m3/h, and allows us to run with a consistency of 4 to 5 g/l for basis weight lower than 60 g/m². 

Considering an average retention of 70%, the head box is able to reach a speed of 515m/min.The headbox is a Beloit. The width is 2.87 meters.
Forming section
The forming section is a fourdrinier with cantilever

Element

Width

Length

Constructor

Characteristics

Shaking unit





Table

3.1 meters

14 meters

Allibe 1986

Wire length is 32.5 meters

1 Forming board

3.2 meters



Ceramics

8 Flat boxes

3.2 meters



3 in ceramics

7 Suction boxes

3.2 meters



2 in ceramics

1 Dandy roll

3 meters

Diameter : 1.4 meter

Küfferath


1 breast roll





1 suction couch roll

3.29 meters; diameter 800 mm



2.95 meters open area; 2 zones

Stainless steel

Showers





Press section

The press section consists of 3 presses.

Element

NIP pressure

Diameter

Felt length

Pick up

80

Suction roll 0.640 meter

14.1 *3.05 meters



Counter roll 0.744 meter


2nd Press

100

Main roll 0.594 meter

12.8 *3.05 meters



Counter roll 0.651 meter


3rd Press

110

Main roll 0.659meter

12.6 *3.05 meters



Counter roll 0.651 meter


      1. Drying section

Pre drying section

Element

Width

Diameter

Maximum pressure


7 cylinders

2.9 meters

1.5 meter

3 Bars







Element

Width

Diameter

Maximum pressure


7 cylinders

2.9 meters

1.5 meter

3 Bars







Element

Width

Diameter

Maximum pressure

Constructor

Yankee

2.84 meters

4.5 meter

2.5 Bars

VOITH






Element

Width

Diameter

Maximum pressure


4 cylinders

2.9 meters

1.5 meter

3 Bars







Element

Width

Diameter

Maximum speed

Constructor

2 rolls

2.9 meters

0.694 meter

750 m/min

Basagoiatia

Air turn

2.9 meters



Spooner

Element

Width

Diameter

Characteristics

Constructor

3 Infra red ramps

3 meters



IDS (Solaronics)

Hood

2.9 meters


320 C

Madeleine

5 cylinders

2.9 meters

1.5 meter

3 Bars



Coating unit

Element

Width

Diameter

Characteristics

Constructor

1 coater

2.9 meters

Backing roll : 0.496 meter

Blade and rod


Jagenberg 1976

Element

Width

Diameter

Characteristics

Constructor

5 Infra red ramps

3 meters



IDS (Solaronics)

Air turn




Spooner

5 cylinders

2.9 meters

1.5 meter

3 Bars


Element

Width

Diameter

Characteristics

Constructor

2 calenders

2.8 meters

Soft roll 0.525 meter

Hard roll 0.715

Max pressure 280 KN/m

Temperature : 130 C

Hunt & Moscrop






Element

Width

Diameter

Characteristics

Constructor

Pope roll

2.6 meters

1.2 meter



The maximum diameter of the paper reel is 1.8 meter.

Element

Width

Diameter

Characteristics

Constructor

Winder

2.6 meters

Roll in: 1.8 meter

Roll out: 1.2 meter

Maximum speed: 1200 m/min

Jagenberg

Rewinder

1.8 meter

Roll in: 1.2 meter

Roll out: 1.0 meter

Maximum speed: 600 m/min

Cameron

KitchenThe kitchen provides automatically the coating for the size press and the coater.

The consumption for the size press reaches 45 m3 (6% of consistency) of coating per day.

The consumption for the coater reaches 25 tonnes (62% of consistency) of dry coating per day.

Material: 1 Control system1 deliteur Cellier C25;

that means 2000 kg dry per preparation.

1 cooker for starch 1500 liters2 tanks with a capacity of 3 m3 for PVAL,

CMC and starch storage2 tanks with a capacity of 5 m3 for size press storage2 tanks with a capacity of 6 m3 for the coater storage

Filtration

2 Proacoat filters for kaolin and carbonate

2 Cellier and 1 pressure filters for the coating

2 Cellier and 1 pressure filters for the size press

DriveSee envelope file elements for load calculation drawing D 14 41 285

Oil

See envelope file Specification of equipment ; bearings descriptionUtilitiesHeatSee construction section

See electrical section

Process & quality control
The process control system is from VALMET
It was installed in 1998. It is a Damatic XDi

The quality control system is divided in 3 parts:

One beam before the yankee for moisture control

One before the coating unit for basis weight and moisture control

One before the pope reel for basis weight, moisture and colour control

The fault detection system is from PARSYTEC installed in 2000

There are 8 high speed cameras before the pope reel

4 high speed cameras before the size press
Construction sectionLayout of foundations and the machine See envelope file n1Plan D 14 85 331
Plan densembleDrawings with overall dimensions
See envelope file n2
Chleq et Froté reportValues and zones of temperature effects

See envelope file n3
Brunnschweiler report
Lengthwise and cross sectional position of isolation joints
No answer
Weight of the largest delivered mounting unit
This unit is the Yankee cylinder.
Its weight is 50 tonnes
The diameter of this cylinder is 4.5 meters
The largest part reaches 4.6 meters
The working area of the cylinder reaches 2.84 meters
Openings, apertures and embedded parts
The main part of the machine is embedded.
There is no crane runway over the cylinders of the machine
It will be necessary to destroy some walls to move the Yankee cylinder.

  1. Affixment dimensions

See (1.) layout of foundations and the machine

  1. Position and design solution of anchorage for fixing the equipment bases

No answer

  1. Demands on foundation elements with regard to their potential strains, vibrations provided for foundation manufacture and equipment mounting

No answer

  1. Dimensions, position and loads applied to embedded parts in foundation elements

No answer

  1. Demands on surfaces of concrete structures and their corrosion protection

For the unloaded parts covered with concrete, there is neither particular specification, nor protection.

  1. Location of the foundation axes relative to bearing points

See (1.) layout of foundations and the machine

  1. Channels for feed and discharge lines in the area of delivery scope

See envelope file n13

Plan densemble

  1. Elements for load calculation

See envelope file n14

D14 41 251 Cinematic
D14 41 285
See Plan ?See chleq et Froté
Technological section
Equipment arrangement schemes
See Process Flow Sheets.
  1. Process flow sheet

See Drawings with overall dimensions in the construction section

See envelope file n2

Pulp flow sheet

Water flow sheet

Steam and condense waters system

  1. Water consumption and discharge balance on the paper machine

See envelope file n3

The water consumption reaches 20 m3/ton

See Brunnschweiler report

  1. Report of the last 3 years of operation

Assortment, composition and qualitative attributes of the products See envelope file n4

Steam, Gas and water consumption See envelope file n4

  1. Specification of the entire equipment

See envelope file n5.1

See envelope file n5.2

See envelope file n5.3

See envelope file n5.4

See envelope file n5.5

  1. Drawings of general views of the equipment

No drawings

  1. Qualitative description of fresh water delivered to the PM

See envelope file n7

  1. Pressure and temperature of steam delivered to the PM, return percent of condensate

See envelope file n8

  1. Demands on quality of compressed air for control instrumentation and process needs

No answer

  1. Levels of noise produced by the equipment

The level of noise in the :

  1. Layout drawings for buses on bus bearing beams

No answer

  1. Drawings of the PM service platform

No answer

  1. Consumption and pressure delivered to the air dryer

No answer

  1. Consumption and datas for the fire extinguishing system under the hood

There is no sprinkler installation, neither fire extinguishing system on the PM

  1. Energy carrier needs for compressed air, water, steam, gas and electric power

Electric power for the machine :

2000 KVA (500 V)

+ 1600 KVA (500 V)

+ 1600 KVA (380 V)

Electric power for compressed air : 2 * 115 KW

Electrical section

Everything is included in envelope file n8 for the schemes

n envelope file n9 for specifications

Process automation

Everything is included in envelope file n1