The standard crescent-shaped high-speed toilet tissue paper machine mainly includes: hydraulic headbox, former, vacuum roller, Yankee dryer, high-speed hot air hood and paper reel.
2850MM CRESCENT TOILET PAPER MACHINE
1.The standard crescent-shaped high-speed toilet tissue paper machine mainly includes: hydraulic headbox, former, vacuum roller, Yankee dryer, high-speed hot air hood and paper reel.
◆ Aim and purpose of the tissue machine
The ultimate aim of any tissue paper machine is to produce a lightweight sheet of paper that is soft, absorbent and strong enough to fulfill the functions needed, and which can then be converted into finished products which will be accepted by consumers and buyers in the marketplace. These products may include items such as bathroom tissue, paper kitchen towels, facial tissue, handkerchiefs, commercial and industrial wipers and sometimes even items such as medical disposable wraps and garmets.
To create this sheet, tissue machines thus designed to evenly distribute a suspension of wood fibers in water into a very thin layer, and then to remove most of the water. The suspension of wood fibers and water, called ‘stock’, usually has an initial composition of around 99.5% water and 0.5% solids, mostly fibers. Finished basis weights of tissue are typically in the range of 13-25 grams/square meter (gsm).
The sheet-forming process involves first draining off as much of the water as possible in the forming section, then pressing it out between rolls in the press section, and finally removing the remaining water by heat and drying through the use of thermal energy. Drying is usually done via direct contact of the sheet on the hot Yankee dryer surface, as well as by impinging hot air onto the sheet in the Yankee hood
◆ Crescent Toilet Paper Roll Making Machine
2.Parameter of crescent type high speed toilet tissue paper machine.
| Process technical requirements: | Requirements for water, steam, hydraulic pressure and compressed air: |
| 1. Clean water and clarified water: | Requirements: Pure, colorless, degreasing PH value: 6～8 |
| 2. Power parameters: | AC voltage: high voltage 380/220V±5% |
| This parameter is the power parameter of China, if it is different, it can be supplied according to customer requirements. | Frequency: 50Hz±1% |
| Control voltage: 220/24V | |
| 3. Steam pressure: | Dryer cylinder maximum working pressure 0.5MPa |
| 4. Compressed air: | Origin pressure: 0.6～0.8MPa; Working pressure: 0.3～0.4MPa |
◆ 2850MM CRESCENT TOILET PAPER MACHINE SPECIFICATIONS
I. Main data
1.1 Paper grade and pulp
Paper grade ： High quality household paper base paper
Quantitative ： 15-30g/m2
1.2 Paper machine specification data
Capacity ： 20-22 tons/day
Paper width on reel ： 2950mm
Gauge ： 3900mm
Design speed ： 450 m/min
Working speed ： 300-400 m/min（Big tank speed）
Balance speed ： 500 m/min
Dryness after pressing ： 38%-40%
Dryness of wrinkles ： 94-95%
Dryness of reel ： 94-95%
Paper machine arrangement ： Left/right phone
1.3 Dryer size (Yankee dryer) ： Ø3000×3250mm
1.4 Roller dynamic balance grade ： G1.6
1.5 Dryer dynamic balance grade ： G4
1.6 Steam requirement ： Yankee cylinder saturated steam 0.5MPa
Saturated steam of hood heater 1.2MPa
1.7 Paper making machine size ： 18000mm(L)*7200mm(W)*6000mm(H)
1.8 Hood type ： Thermal insulation hot air hood, steam heating
1.9 PRELIMINARY TRANSMISSION DATA
NO | Location | Application | Transmission speed | Outer diameter | Recommended installation |
1 | Forming Department | Forming roll | 450 m/min | 900 mm | 22 kW |
2 | Yankee | Yankee | 450 m/min | 3000 mm | 90 kW |
3 | Reel machine department | Roll paper cylinder | 450 m/min | 900 mm | 11 kW |
Total | 123 kW |
1.10 LIST OF SPRINKLER PIPES
NO | Location | Application | Quantity | Continuous/intermittent | Water quality | Operating pressure |
1 | Forming Department | Roller lubrication spray | 3 | continuous | Clean water | 600kPa |
2 | High pressure spray needle | 1 | continuous | Super clear water | 3500kPa | |
3 | Press section | Roller lubrication spray | 1 | continuous | Clean water | 350kPa |
4 | Suction box lubrication spray | 1 | continuous | Clean water | 350kPa | |
5 | High pressure spray needle | 1 | continuous | Super clear water | 2000kPa | |
6 | Cut paper water needle | 2 | continuous | Shimizu | 2000kPa | |
7 | Thread water needle | 1 | Intermittent | Shimizu | 2000kPa | |
8 | Lubrication spray in vacuum roller | 1 | continuous | Shimizu | 350kPa | |
9 | Cleaning spray in the vacuum roller | 1 | Intermittent | Shimizu | 350kPa |
1.11 ROLL TYPE LIST
NO | Location | Species | Quantity | Roll diameter (including surface layer) | Roll surface length |
1 | Forming Department | Anilox | 4 | 250 mm | 3300 mm |
2 | Press section | Forming roll | 1 | 900 mm | 3300 mm |
3 | Groove roller | 1 | 650 mm | 3300 mm | |
4 | Felt roller | 5 | 250 mm | 3300 mm | |
5 | Yankee | Yankee | 1 | 3000 mm | 3250 mm |
6 | Reel machine department | Roll paper cylinder | 1 | 900 mm | 3000 mm |
7 | Paper roll | 5 | 150 mm | 3000 mm |
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