Seven Layers High Barrier Packing Film Line

First, the basic specifications of the device
1, the product specifications; thickness 0.05-0.15mm, width 1100-1600mm
2 products raw materials: PA, EVOH, LDPE, LLDPE / LDPE, MLLDPE etc.
3, product structures; symmetrical structure A / B / C / D / C / B / A
Typical structure
A  PE
BPE
C TIE
D EVOH
E TIE
F PE

G PE

4, product quality: the film thickness limit deviation ≤ 8%, other indicators should reach GB/T4456-1996 superior product requirements. Automatic Control width of error ≤ ± 5, EVOH thickness ≤ 0.008mm.
5, the total installed power: about 250KW
6, the maximum yield: about 130kg / h
7, Dimension: (L × B × H), (subject to demand-side auxiliary engine size)
8, Weight: about 30t
Second, the equipment and technology pose: SJ7C-BL1800 new unit composed of seven single-screw extruder and BL1800 film auxiliary components. A streamlined multi-layer stack die, the level of rotation traction, cold, etc. within the bubble and melt pressure sensor, friction and take-up of high-tech computer control.
Third, the device configuration
1, single-screw extruder (7 sets)
1.1 The screw and barrel
Diameter  40mm; aspect ratio; 30:1; material: 38CrMoAlA (3 sets)
Diameter  50mm; aspect ratio; 30:1; material: 38CrMoAlA (2 sets)
Diameter  45mm; aspect ratio; 30:1; material: 38CrMoAlA (2 sets)
1.2 Screw speed :15-100r / min
1.3 barrel heating: three sections of the heating, cooling the feed section, one, two, three district cooling; cast aluminum heating ring
Two sets of SJ45/30 heating power of about 18kw; PLC automatic temperature control;
Three SJ40/30 heating power of about 16kw; PLC automatic temperature control;
Two sets of SJ50/30 heating power of about 24kw; PLC automatic temperature control;
1.4 Host reducer:
1.4.1 gear form; involute helical gears,
1.4.2 Gear material: 20CrMnTi alloy steel;
1.4.3 Gear hardness: HRC56-62. Hardened grinding, gear accuracy of GB10095-88;
1.4.4 reducer Cooling type: forced oil cooling water cycle;
1.4.5 reducer connection mode; Direct-reducer.
1.5 out of a total of seven main motor unit, all configuration variable frequency motor; power 15kw × 5 sets, 22kw × 2 inverters are equipped with ABB's products.
1.6 melt front filter pressure, temperature sensing devices (7 sets);
2 quick-change filter device (7 sets)
2.1 Double manual quick changer;
2.2 filter device heating power of about 28kw
3 die structure (A / B / C / D / E / F / G)
3.1 Basic structure types: side feed streamlined modular multi-layer stack structure (in time of need, with the lowest cost production site increase, decrease, change die of layers (five to nine) and combinations;
3.2 head plus tears: the power of about 28kw, PLC stratification temperature, ceramic heater.
4.IBC (ultrasonic closed loop servo control) cooling system inside the bubble
4.1 Film cooling device inside the bubble: hot and cold gas exchange;
4.2 cold air inside the bubble ring: stacking ring within the cold, wind damper switch size can be adjusted;
4.3 bubble-cooled control system: closed-loop servo control, the Austrian company B & R imports;
4.4 Bubble monitoring detection devices: ultrasonic detection probe 3, the German company imported;
4.5 vesicle into the exhaust fan (2 sets) Speed: Frequency inverter using ABB's 510 (bubble bias to a minimum);
5 external cooling air ring
5.1 Wind-loop structure: efficient dual-outlet air loop;
5.2 wind ring material: cast aluminum;
5.3 external cooling fan power: 7.5kw;
5.4 external cooling fan speed: 510 inverter using ABB's
6 stable Bubble