3800 THREE WIRES AND MULTI – DRYER CYLINDERS LINER PAPER MACHINE

Used secondhand 3800 three wires and multi-dryer cylinders liner paper machine technical standard

Part Ⅰ

Overview
1.1 Technical parameters of machine：
---Product range： White cardboard paper, liner cardboard paper, fluting paper.
---Grams： 100-300g/㎡
---Net paper width： 3600mm
---Rolling paper width： 3660mm（paper rolling machine）
---Working speed： 250-350m/min
---Design speed： 400m/min
---Main track gauge： 4700mm
---Transmission mode： Multiple step format AC frequency speed control transmission
---Arrangement: Single floor arrangement, left hand operation
---Capacity： 250t/d

1.2 Pulp Quantitative of each wire
Lining wire： 30-40 g/m2
Middle wire： 60-120 g/m2
Lower wire： 60-90 g/m2

1.2 Paper machine equipment process：
Air cushion type headbox---double wire part---Vacuum suction roller Φ550---Vacuum pressure Φ800/Φ850---Φ1250Double Blanket Roller Press---Φ1250Single Blanket Roller Press---Φ1500Dryer cylinder50pcs---Sizing machine---Φ1500Dyrer cylinder 20pcs---Two-roll calender---Horizontal paper rolling machine

Part Ⅱ
structural description

2.1 Air cushion type headbox 3sets
Air cushion type headbox technical parameters:
---Mouth width： 3950 mm
---Input pulp consistency 
Lining wire： 0.4-0.6 %
Middle wire： 0.6-1.0 %
Lower wire： 0.6-1.0 %

2.2 Double wire section
--- Double wire components: lining wire, middle wire and lower wire.
--- Double wire parameters:
Wire width: 4100mm
Face case length: 7.5m
Middle wire table length: 16.5m
Lower wire: 22m

2.2.1 Lining wire
Lining wire composition:wire table frame, chest roller and landing gear, return roller, composite roller, wire guide roller, dewatering element, scraping knives, high and low pressure water jets, tensioners, correctors, white water trays etc

2.2.2 Middle wire
Middle wire composition: wire table stand, chest roller and landing gear, composite roller, drive wire roller, guide roller, dewatering element, scraper, high and low pressure water spray hose, tensioner, corrector, white water tray etc.

2.2.3 Lower wire
Lower wire composition: wire table stand, chest roller and landing gear, drive wire roller, vacuum roll, guide roll, dewatering element,Scraper, high and low pressure water jets, tensioners, correctors, white water trays etc.

2.3 Press section
The press section consists of a vacuum press, a double-blanket roll press (1 set), and a single roll press (1 set). Specifically, it consists of a press roll, a vacuum press roll, a guide roll, a tensioner, a corrector, a high and a low water spray pipe, a suction box, a scraper, a water tray, a rack. The pressure is pneumatic.

Press section design parameters
Design line pressure kN/m NO1 press
100 NO2 press
220 NO3 press
220
Use line pressure kN/m 80 200 200
 

---1 sets of vacuum suction roller: belt drive Specification Φ550x4150mm
Maximum suction width: 3950mm
Minimum suction width: 3600mm
Roller Body: stainless steel 304

---1 sets of vacuum suction roller landing gear:
Support Material: Q235
Rocker Material: Q235
Motor : 2.2KW

---1 sets of vacuum press roller device: belt drive Specification Φ850x4150mm single vacuum chamber Maximum suction width: 3900mm
Wrapped rubber thickness: 25mm
Rubber hardness: 96±2° "A"
Roller Body: stainless steel 304

---1 Press Upper Roller Device: belt drive Specifications Φ800x3950mm
Wrapped rubber thickness: 25mm
Rubber hardness: 97±2o “A”
Roll face hole opening: Φ3 blind hole double spiral arrangement
Roller Body: Material HT300

---2 sets of blind hole press roll device: (used for NO2 press) belt drive Specifications: Φ1250x3950mm
Wrapped rubber thickness: 22.5mm
Rubber hardness: 97±2o “A”
Roll face hole opening: Φ3 blind hole double spiral arrangement
Roller Body: Material HT300

---1 sets of press lower roller device: (used for NO3 press) belt drive Specifications: Φ1250x3950mm
Wrapped rubber thickness: 22.5mm
Rubber hardness: 95±2o “A”
Roll face hole opening: Φ2.6 blind hole double spiral arrangement Roller Body: Material HT300

---1 sets of press upper roller device: (used for NO3 press) belt drive Specifications: Φ1250x3950mm

Wrapped rubber thickness: 20mm
Rubber Hardness: P&J 0º
Roller Body: Material HT300

2.4 Drying section:
Drying section configured a total of 70pcs dryer cylinders, divided into 8 groups (8+8+8+8+8+10+sizing +10+10), each group of 4 cylinders for the active cylinder, the rest passive cylinder.
Drying section technical parameters:
Dryer working medium: saturated steam Dryer maximum working pressure: 0.5Mpa
Dryer pressure test pressure: 1.0Mpa
Drying section layout process: 8+8+8+8+8+10+sizing+10+10

---35 sets of dryer cylinders:
Specifications : Φ1500x4200mm
Cylinder: HT250+A variety of alloy
Cylinder surface hardness: ≥HB200
Including 2 chrome dryer cylinders, hard chrome plated cylinder surface, plating thickness of 0.08-0.10mm.

2.5 Drive Motor:
Transmission department for sub - transmission, ac frequency motor, frequency control.The transmission part is equipped with hard tooth surface reducer, shaft and coupling, base, ac frequency conversion motor, MCS system and frequency conversion control system.

---AC variable frequency motor power meter:
(A) Main transmission point:
No. Transmission name
1) Lower wire drive wire roller∮650 Power/point
160 Kw Quantity
1
2) Vacuum coucher∮900 75 Kw 1
3) Lining wire drive wire roll∮650 37 Kw 1
4) Lining wirecomposite roll∮800 37 Kw 1
5) Middle wire drive wire roll∮650 90 Kw 1
6) Middle wirecomposite roll∮800 55 Kw 1
7) Vacuum suction roll∮550 18.5 Kw 1
8) First press vacuum press roll∮850 75 Kw 1
9) Second upper roll∮1250 75 Kw 1
10) Second lower roll∮1250 75 Kw 1

11) Third upper roll∮1250 75 kw 1
12) Third lower roll∮1250 75 kw 1
13) №1group dryer cylinder∮1500(8) 75 Kw 1
14) №2group dryer cylinder∮1500(8) 75 Kw 1
15) №3group dryer cylinder∮1500(8) 75 Kw 1
16) №4group dryer cylinder∮1500(8) 75 Kw 1
17) №5group dryer cylinder∮1500(8) 75 Kw 1
18) №6group dryer cylinder∮1500(10) 90 Kw 1
19) Sizing machine upper roll 30 Kw 1
20) Sizing machine lower roll 30 Kw 1
21) №7group dryer cylinder∮1500(10) 75 Kw 1
22) №8group dryer cylinder∮1500(10) 75 Kw 1
23) Calender 37Kw 2
24) Paper rolling machine 30 Kw 1
合计 1626.5 Kw 25
2.6 Inclined surface sizing machine 1 set
(1) Technical parameters
Product range: White cardboard paper, liner board paper, corrugated paper Paper width: 3600mm
Working speed: 250-350m/min
Design speed: 4000m/min
Balancing speed: 500m/min
Sizing amount: 3.5g/m2 on the front and back
Solid material content: 10-18%
Design line pressure: 80KN/m
Structure: Inclined 15°
Pressing method: pneumatic

2.7 Two Rolls Calender 1 set
---Technical Parameters:
Product range: Liner cardboard paper, white board cardboard
Paper width: 3600mm
Working speed: 250-350m/min
Design speed: 400m/min
Working line pressure: 30kN/m

2.8 Horizontal Rolling Machine 1set
---Technical Parameters: Paper width: 3600mm
 
Working speed; 250-350m/min
Design speed: 400m/min
Rolling cylinder diameter: ∮1100mm Maximum diameter of paper roll: ∮2500mm

Ref.No. BPMB41918