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Toilet and napkin paper production line
Napkin and toilet paper production line consists of 3 working shops:
1. Recycling of paper into pulp.
2. Production of paper
3. Re-winding, cutting and packing
1.Pulp production section
Pulping seciton technology
Waste paper →High consistency hydra- pulper→High consistency pulp pump→High level box→Vibrating screen→ 1#pulp pool→Floating and deinking machine with square cell→2#pulp pool→Thickener→№3 Pulp pool →Cleaning and refining machine→Bleaching drum→Pressure screen →№4& Pulp pool →Pump →Pulp pool.М.
The whole set includes as follows
1. 3M3 High consistency hydra-pulperZGS3: 2SETS
2. ZBGKS-150 high concentrated pulp pump - 2SETS
3. 40M³ Pulp basin : 7 sets
4. ZWB-150-100 Non jam pulp pump : 6SETS
5. 0.9M² high frequency vibrating screen ZSK1.8: 1SET0.9M² 1SET
6.4M³ floating and deinking machine with square cell: 1SET
7. 10M² Gravity cylinder thickener ZNW10: 1SET
8. Cleaning and refining machine ZSLC-50N: 1 SET
9. 50M³ Bleaching drum ZPC700: 2 sets
10. 0.5M² Pressure screen : 1 set
11. Wheite water pump IS150-125-250: 1 set
12. Scummer 606: 24 sets
Energy consumption by units of the pulping shop
ZGS3 High-consistenct hydropulper
Cleaning and refing machine ZSLC-50N
2. Toilet paper production line
The name of the products - toilet paper, paper gaskets for electonics, consumers electronics, ceramics and tools production line
This line can produce 8-15 tons/day of toilet paper.
The amount of production depends on compactness of the resultant paper.
Lower compactness means less weight at equal meterage while higher compactness means more weight.
Raw materials - waste paper.
Water consumption - 5 tons of water/1 ton of waste paper
Production standards :
The fiber organization of tissue should be even.
There shouldn’t be the shortcomings of holes, breaches, drape, deformity, fleck etc in the product
The quality of tissue should meet the B,C grade of the Chinese National Standard Q/ZJRD-2000.
Pulp – Drum – Removal of extra moisture – forming - baking drum – evener rollers – winding of the receiving drum of 1600 mm
ZY1880 tissue paper production machine
Winding paper: 3KN/M
Equipment (winding) mm 1600
1. 1880/180 tissue making machine
Specifications and detailed parameters
1.1 Product: tissue paper, napkin paper
1.2 Weight: 13-30g/M², according to 16 g/M²
1.3 Raw materials 100% commercial pulp, waist paper, straw pulp Net paper width: 1880mm
1.4 Roll paper width:-1900mm
1.5 Net width : 2300mm
1.6 Baking cylinder width: 2350mm
1.7 Track space:2700mm
1.8 Working speed :120-180m/min
1.9 Designing speed :180m/min
1.10 Theory capacity: 6.0T/24H (Speed=140M/min, Weight=16g/ M²)
1.11 Working capacity: 5.1TPD, annual capacity: 1734T (according to 340 days per year)
1.12 Kind of drive: subdivision drive of digital vector AC converting. 2 divisions, total power:47.2KW
1.13 Outer dimension: L:13.145M, W:5.7M, H:4.6M, single floor.
1.14 Quality standard for product: Napkin tissue: QB3529-1999A,B
2.2. Main parameter of toilet paper made by ZY-1800
2.1 Dry rate:Before carrier roller: 18-20%,
Before baking cylinder: 43-45%,
Finished product of winding machine: 92-93%,
2.2 Line pressure:
Pressure roller: design: 1.8KN/M, in work: 1.8KN/M
Carrier roller: design: 90KN/M, in work: 70-80KN/M
Winding M/C: design: 3KN/M, in work: 1.5-2.5KN/M
2.3 Consistency of feeding pulp:0.2-0.25%
2.4.1 Consumption of pulp 1020-1040 kg/t
2.4.2 Water consumption: clean water: 20-30M³/H, 0.3-0.4MPa High pressure water: 13-15 M³/H, 2.5-3.0Mpa Pulp consumption: 1020-1040KG/T tissue
2.4.3 Power consumption: 254-260KWH/T tissue (including blowing fan)
2.4.4 Air consumption of carrier roller: Max. about 0.5M³/min>0.4Mpa
2.4.5 Air consumption of tissue machine: Max. about 0.55T/H 0.35-0.5Mpa
2.4.6 Dispersant consumption: 1.2Kg/T tissue
2.4.7. Needle blanket: 30days/pc
2.4.8 Bottom net: 60days/pc, face net: 25days/pc (Nylon net)
3. Explanation of tissue machine
This machine consists of cylinder net, pressing part, baking cylinder, winding machine, groundwork part, driving part, air compressing system
Cylinder net forming part is water-pressure, and fan blowing pressure assistant
Feed pulp from cone pipe, the max. backflowing capacity is 15%.
Pulp-feeding pipe is designed recycling pipe. Pulp is fed from driving side, and backflowed from operating side. Controlling the pressure balance of pulp-feeding pipe by adjusting the backflowing valve.
1.1.Specification for pressure net channel
Designing speed: 280M/min
Pulp consistency: 0.2-0.25%
Max. flow capacity: 111000L/min
1.1.1 It consists of one piece of cylinder net former which is Ø2500*2350mm.
The former includes CONE PIPE, MULTI-PIPE for pulp feeding, needle high pressure water- spraying pipe
1.1.2 Cylinder net cage: Diameter is Ø2500*2350mm. Stainless steel slice net cage.
The surface is even the weight of cage is 2750Kg, the bearing adjusts 3620, waterproof and leakproofness bearing seat.
1.1.3 Pressure net channel
18.104.22.168 Multi-pipe for pulp feeding. Pulp is fed in diffusing & mixing room, then fed on the net. The forming part is sealed and input air to make the pressure higher. The material of channel is carbon steel. The material of forming part is stainless steel.
22.214.171.124 Cone pipe for pulp-inputting, multi-pipe for spreading pulp. The material is carbon steel board.
1.1.4 .Forming roller: one set, diameter is Ø420mm, L=2300MM. Seamless steel pipe wrapped by rubber. The rubber thickness is 25mm, the rubber shore-hardness is “A” 38º. The line pressure 1.8kg/cm. Pneumatic control lift and down. The bearing adjust 1513, equipped with Z2513YB bearing seat.
1.1.5 Vacuum water-suction box: two sets, one’s width is 190mm, the other width is 250mm. The material of box body carbon steel board. The material of board is high molecular PE. The vacuum degree is 400mm Hg. The above air is discharged out. The water is input the white water pool.
1.1.6 High pressure cleaning device for cleaning net and blanket. Tow sets. Piston diameter is Ø150mm, the stroke is 120, water pressure is 1.0-1.6Mpa. The water should be filtered and purified water. Water-spraying pipe is made of Ø42*4 carbon steel pipe. Spraying mouth is made of stainless steel 0.8, total 34 needle mouths.
1.1.7 Blanket beating device: one set. Specification Ø390*2300, beat blanket electrically. The beating bar is made of 1” carbon steel pipe. Equipped motor Y100L -6/1.5KW, 2 pieces of A belt, bearing 111210, equipped with CKS1510.
1.1.8 Tensioner: one set, two types of electric and manual. Power is 0.55KW
1.1.9 Corrector: one set, two types of electric and manual. Plate detector.
1.1.10 Blanket: one set. Blanket pressing roller’s diameter is Ø260mm, width is 2400mm, seamless steel pipe wrapped with rubber. The rubber thickness is 20mm, The Shore-hardness of upper roller’s rubber is “A”, 95°±2°, the Shore-hardness of below roller’s rubber is “A”, 75°±2°, the height is 20μm, the upper roller presses by gravity. Bearing adopts 113614, equipped with labyrinth bearing seat.
1.1.11 Jockey roller for blanket: seven sets. Diameter is Ø179, width is 2400mm. It is made of seamless steel pipe 20#, and wrapped by rubber. The Shore-hardness of rubber is “A”, 95°±2°, bearing adopts 308, 309.
1.1.12 Stretching roller: one set. Diameter is Ø186, width is 2400mm. It is made of seamless steel pipe 20#, and wrapped by rubber. The Shore-hardness of rubber is “A”, 95°±2°, bearing adopts 309,310.
1.2 Pressing part of carrier roller Increases the dewatering capacity by remains heat. The line pressure is 100Kg/cm, outer diameter is Ø500, width is 2350mm, wrapped rubber’s thickness is 25mm. The Shore-hardness is “A”, 95°±2°. Equipped with water receipt channel of carbon steel. Bearing adopts 113628, and equipped with labyrinth bearing seat
1.3 Baking cylinder
It consists of one set of baking cylinder which diameter Ø2500mm and width 2350mm and cover. It is equipped with 2 sets of scrappers, one is for crepe, the other is for cylinder-cleaning.
1.3.1 Cylinder diameter is Ø2500mm, width is 2350mm, alloy cast iron, max. working steam pressure is 0.3Mpa, water pressure 0.45Mpa. Cylinder hardness is above HRB220, surface fineness is ▽11, bearing is 3113152.
1.3.2 Drive gear: baking cylinder big gear, cast iron, M=12, Z=170, decelerater small gear, cast iron, M=12, Z=25.
1.3.3 Revolving joint and siphon: Graphite sealed revolving joint, equipped with metal soft pipe. Cylinder’s drainpipe is siphon.
1.3.4 Scraper: 2 sets.
1.3.5 Hot blowing and drying system
126.96.36.199 Cover: Cylinder adopts breath hot blow cover, the wrap angle against cylinder is 190°, the material is aluminium board and angle steel. Blowing speed of inlet is 50- 80M/S, its temperature is 80-90℃.
188.8.131.52 Blower: The blowing capacity is 7641-13371M³/H, pressure is 285-402Pa, the motor’s power is 2.2KW
184.108.40.206 Draught fan: The capacity is 8661-15069M³/H, pressure is 363-520Pa, the motor’s power is 3.0KW.
220.127.116.11 Heat exchanger:
903.3.6.4 Heat exchanger: Type: pipe type, 1000*1000 Medium: 0.3Mpa saturated steam.
Outlet temperature: 90℃
1.3.6 Frame: it is made of carbon steel
1.4 Winding part
1.4.1 It consists of winding cylinder Ø800mm, soft pressure roller Ø 180mm and expansion roller Ø 70mm. Max roll is Ø 1200mm, winding line pressure is 1.5-2.5KN/mm.
1.4.2 Expansion roller: Diameter is Ø 70mm, it is arch roller. The surface is chrome-plating. The worm and worm gear is adjusted manually.
1.4.3 Soft pressure roller: Ø180*2250, made of seamless steel pipe, wrapped with 25mm rubber. The Shore-rubber’s hardness is “A” 30±1°.
1.4.4 Winding roller: Ø51mm seamless steel pipe, each tissue machine is equipped with 2 sets of such rollers.
1.5 Groundwork part
Ground rail, one kind is width 270mm, length 2000mm, thickness 85mm, total 4 sets, one kind is width 270mm, length 1500mm, thickness 85mm, also total 4 sets. Equipped with foundation bolt, material is Q235-A.
1.6 Driving part
Electric driving, frequency control.
Total 2 driving point.
Motor of cylinder: Y250S- 6/45KW
Cylinder reductor: ZD40-6.3
Motor of winding machine: Y100L1-4/2.2KW
Reductor of winding machine: ZD-15-5.6
1.7 Electric controlling system