Project evaluation
1.1. General information:
|
Raw material & formulation |
PVC resin powder & CaCo3, Lubricant; Stabilizers; Pigments; Antioxidants |
|
Melt capacity |
250 - 350kg/h (depending upon pipe dimension and reference material) |
|
Central height: |
1m |
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Picture of final product |
 |
1.2.Pipe species and size list:
|
No. |
O.D. (mm) |
Pressure Class |
Pressure Class |
|
1 |
20 |
PN0.63 |
PN1.0 |
|
2 |
25 |
PN0.63 |
PN1.0 |
|
3 |
32 |
PN0.63 |
PN1.0 |
|
4 |
40 |
PN0.63 |
PN1.0 |
|
5 |
50 |
PN0.63 |
PN1.0 |
|
6 |
63 |
PN0.63 |
PN1.0 |
|
7 |
75 |
PN0.63 |
PN1.0 |
|
8 |
90 |
PN0.63 |
PN1.0 |
|
9 |
110 |
PN0.63 |
PN1.0 |
1.3. Flow line picture
1.4. Machine list
|
No. |
Machine |
Qty. |
|
1 |
Screw conveyor(for SJZ65/132 extruder) |
1set |
|
2 |
SJZ65/132 conical twin-screw extruder |
1set |
|
3 |
Mould for drain pipe （20-50、63-110mm） |
2 sets |
|
4 |
Vacuum calibration tank |
1set |
|
5 |
Haul-off |
1set |
|
6 |
Planetary cutter |
1set |
|
7 |
Stacker |
1set |
|
8 |
Screw conveyor(for 300/600 Mixer unit) |
1set |
|
9 |
SRL-Z300/600 Mixer unit |
1set |
|
10 |
20-110mm Pipe-expanding machine(R type、U type) |
1set |
2.1 Technical data
|
No. |
Name |
Photo of machine |
Technical specifications |
|
1 |
Screw conveyor |
|
Capacity:>300kg/h |
|
Rated transmission capacity: 500-1000kg/h Motor power: 2.2KW Pusher motor: 0.75kw Pipe diameter: φ102mm Touch raw materials are made by stainless steel |
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2 |
SJZ65/132 conical twin-screw extruder
|
|
Screw Barrel Driving motor Feeding system Vacuum system |
|
Screw: Diameter conical 65/ 132 mm for PVC drainpipe and water supply pipe. Material of screw: 38CrMoAl Surface treatment: Nitriding processing, thickness: 0.4 ~ 0,6mm, Polishing Rigidity:（HV）740-940 Surface roughness: Ra≤0.8um Rotating speed (counter rotating): 1-34.7 rpm/min Barrel: Diameter conical 65/132 Inner processing: nitrided with thickness: 0.4~ 0.7mm Rigidity:（HV）940-1100 Inner surface roughness: Ra≤1.6um Heating zones: 4 Heating mode: Cast alumina + stainless steel covering Heating power: 22kw Cooling mode: Air fans: 3 Sets Driving motor: Motor power: 37KW Type of motor = AC Feeding system: Gravity and screw dosing feeding system With stainless steel hopper Dosing feeding system: Motor: 0.75KW Feeding sleeve with circular water cooling Vacuum dehumidifying system: Vacuum pump: 1 set Vacuum degree = 0 ~ 0.075 Mpa Adaptor: (Interflow Section): Material: #40steel Chrome plated, inner convergent flow type Connection method with die: clamping block + bolt Pressure melt sensor and thermocouple Main electric part supplier : Inverter: ABB Contactor: Schneider Relay: Omron Temperature controller: Omron Self protective system: Over current protective of motor Over pressure protective of screw. |
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|
3 |
Mould
|
|
Including calibration sleeve |
|
Material: Made by 40Cr. Inner surface polished Diameter spec: Ф(20、25、32、40、50、63、75、90、110)mm Heating: QTY. of heating zone:10 Heating power:26KW |
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|
4 |
Vacuum calibration tank |
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Vacuum system Water spray system Moving system |
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Dimensions: Length: 5600mm Vacuum pump: Power: 3KW Water pump: Power: 4 KW Three directions adjustment: Forward and Backward moving: 0.75 KW motor Range: ±400mm Up and down: left and right manually adjusted Range: Up and Down: ±50mm Leftward and Rightward moving: ±50mm Tank material: Stainless steel Tank cover material: Duralumin Seal: adopt silica gel anti-friction panel and Q235 galvanized panel Inner pipe support: Nylon wheel Water temperature and level control: automatic control system by electric and stainless steel floating ball Vacuum gauge:0.03-0.06Mpa Spraying nozzle: ABS |
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|
5 |
Haul off |
 |
Three claws Haul-off Independent control system |
|
Haul off unit (2 claws). Claw length: 1300mm Haul-off speed: 1-10m/min Power:1.1KW×2 Pneumatic clamping: adopt anti-friction rubber block Electric part: Inverter: Hitachi or ABB Low voltage electric parts: LG or Schneider Length detecting: encoder |
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|
6 |
Cutter |
|
Scrap collecting device; Independent control system
|
|
Cutter Integration installed in monobloc system (haul-off and cut off). Length count: encoder Cutting saw: steel alloy, specific for cutting U-PVC pipe. Equipped with rubber clamping block for accurate cutting. Motor power: 1.5KW Equipped with a closed dust-collector With scrap collecting device Possibility of manual operation |
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|
7 |
Stacker |
|
Discharging: Pneumatic |
|
Length: 5,000mm With screws to adjust the height range: 0 ~ 180mm |
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8. Screw conveyor |
Technical specifications |
 |
Capacity:>300kg/h Motor power: 2.2KW Pusher motor: 0.75kw Pipe diameter: φ102mm Touch raw materials are made by stainless steel |
|
9.SRL-Z300/600 Mixer unit |
Technical data |
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|
Mechanical parts |
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Hot-mixing |
Cold mixing |
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|
Total volume（L） |
300 |
Total volume（L） |
600 |
|
Effective volume（L） |
225 |
Effective volume（L） |
380 |
|
batch（KG） |
105 |
batch（KG） |
105 |
|
Mixing time（min） |
8-10 |
Mixing time（min） |
8-10 |
|
capacity（KG/H） |
450-550 |
capacity（KG/H） |
450-550 |
|
Heating method |
Self-fiction |
Cooling method |
Interlayern water, cooling water ring |
|
Blade max rotation speed（rpm） |
465/930 |
Blade max rotation speed（rpm） |
100 |
|
Electrical parts |
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Hot mixing motor power（KW） |
55kw |
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|
Speed controller for Hot mixing motor |
ABB |
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Cold mixing motor power（KW） |
7.5kw |
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|
Air switch |
LS |
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|
Breaker |
LS |
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Relay |
Schneider |
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|
Button |
DELIXI |
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 |
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10.Pipe-expanding machine On line |
Technical parameter |
|
Scope of flaring OD： |
OD:Φ20-110mm |
|
Flared length： |
4-6 mm PVC pipe |
|
Flared solvent-based |
accepting port |
|
Heating mode |
Single oven ,Electric tube heating,Rotation heating |
|
Heating zone |
1 pc |
|
Cooling mode |
air cooled |
|
Dimension |
7800×1100×2200mm |
|
The total power of the enlargement machine |
15kw |
|
Heating power inside and outside the furnace |
8kw |
|
The maximum gas pressure of the flushing machine |
0.4MPa |
|
Water supply pressure |
0.2-0.3Mpa |
|
U type: 20、25、32、40、50、63、75、90、110mm R type: 50、63、75、90、110mm |
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