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ZB-E pressurized melt pump

ZB-E pressurized melt pump.pdf

ZB-E pressurized melt pump applications:
ZB-E series circular melt pump for extrusion lines is mainly used for extruder or pressurization, stabilizing flow and transportation of medium or high viscosity polymer. This series of melt pumps for extrusion primarily adopts electrical heating, and applies to PS, PET, PVC, PC, PA, PMMA, HDPE, LDPE, LLDPE, PP, etc.
 

pressurized melt pump      melt pump for extrusion


Technical Parameter of ZB-E melt pumps for extrusion:

◆ Material for Melt Pump Body: High Temperature Tool Steel
◆ Material for Gear: High Temperature Tool Steel or Nitrided Steel
◆ Material for Sliding Bearing: High Temperature Tool Steel
◆ Shaft Sealing: Spiral Sealing or Packing Sealing
◆ Heating System: Electrical Heating
◆ Model/Volume Range: 0.5CC - 2500CC, 0.5cm3/rev - 2500cm3/rev

Operating Parameter of ZB-E pressurized melt pump for polymer:
◆ Theory: Positive Displacement Gear Pumps
◆ Structure: Gear Pump
◆ Power: Electric or Oil
◆ Fuel: No Need
◆ Pressure: High Pressure
◆ Volume Range: 0.5CC - 3200CC
◆ Viscosity: ≤40000 Pa.s
◆ Working Temperature: ≤400°C (750°F)
◆ Cleaning Temperature: ≤450°C (850°F)
◆ Inlet Pressure: ≤12MPa
◆ Outlet Pressure: 40MPa(6000psi)
◆ Differential Pressure: ≤25Mpa

Type
CC/Rev
Capacity (L/H)
Heating power (kw)
Dirven system (km)
ZB-0.2
0.2
0.1-0.6
0.5
0.37
ZB-1
1
0.5-3
1
0.5
ZB-2
2
1-6
1
0.75
ZB-5
5
2.5-15
1
1.1
ZB-10
10
5-30
1
1.5
ZB-20
20
10-60
2
2.2
ZB-31.5
31.5
15-90
2
3
ZB-50
50
25-150
3
4
ZB-100
100
50-300
4
5.5
ZB-150
150
75-450
5
7.5
ZB-200
200
100-600
6
11
ZB-250
250
125-750
8
15
ZB-315
315
150-900
8
18.5
ZB-500
500
250-1500
12
22
ZB-800
800
400-2400
15
30
ZB-1200
1200
600-3600
20
37
ZB-2500
2500
1300-7500
24
45

Features of extruder pressurized melt pump:
◆ The steady export pressure--plastic melt pumps for extrusion can reduce the extruder output instability and pressure fluctuation caused by the extrusion machine parameters.
◆ Improve the product quality--pressurized extruder melt pump can minimize the dimensional tolerance of the extruded product and reduce the waste and scrape rate. Common extruder can also produce high precision products.
◆ Improve the output--melt pump lower the pressure requirements for the screw, change the voltage buildup way, from “screw to die-head” to “melt pump to die-head”. With the characteristic of high speed extrusion and high efficiency, the production line can adjust the extruder back pressure, reduce the staying time of melt within the screw tubes. And it also can make the plasticizing process stable, reduce the melting temperature, and improve the output and quality.
◆ Lower energy consumption unit--some data also suggests that combine the co-rotating twin-screw extruder and plastic melt pumps into mixing extruding production line, its mixing quality and output can be large increased than separate twin-screw granulator. The energy consumption can reduce about 25% generally.
◆ Prolong service life--extruder pressurized melt pump can reduce the extruder screw cylinder pressure if equipped with the melt pump, it also reduces wear between screw and screw tubes to a minimum and reduce the load of thrust bearing in gear case, accordingly prolong the production line service life. And the overflow of material in production process caused by extruder venting can be readily solved.

 

 ZB-E pressurized melt pump.pdf

 

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