process flow:

Feeding→Extrusion Melting→filtering→metering→spinning→Cooling→Stretching →Web spreading→Thermal bonding→slitting→collecting

The performance parameters are as follows:

1.Total installed capacity of production line: 450KW

2.Actual power consumption: 220 ~ 280KW / hour

3.Mechanical linear speed: 4-20m / min

4.Width of finished product: 1600mm

5.Product weight: 8 ~ 120g / m2

6. Meltblown fiber: 2 ~ 5μm          

7.CV of uniformity: ≤4%

8.Roll maximum diameter: 600mm

9. Maximum annual output: wire diameter: 330 years at 2 ~ 5μm.

10 The machine covers an area of about 15000mm * 5000mm * H5000mm,

11.Machine weight: about 13 tons (based on actual weight)

(1)  12. (Voltage: three-phase power 380V50Hz)

 1.)    Number of workers operating the production line:     

Production is divided into two shifts of 3 people each: 1 auxiliary worker, 2 technical staff

2.) Equipment configuration is as follows:

3.1 host hopper (material: stainless steel, window with material level and insert plate,)
A vacuum automatic feeding machine, control power: 3KW

3.2 Extruder: φ90 extruder set (φ90 barrel and screw host platform)
1 set of 90mm barrel

Material: 38 CrMoLALA (high quality nitrided steel)

Nitriding hardness: 740HV

Nitrided layer depth: 0.5-0.8mm

Screw diameter: φ90mm

Screw aspect ratio: 30: 1

Screw form: special screw (suitable for PP solution spraying)

Material: 38rMo (high quality nitrided steel)

Nitriding hardness: 740HV

1 Set of host gearbox

Host motor power: 45KW

Control form: AC variable frequency control

Host heating zone: zone 5

Heating power per zone: 6.0KW (cast copper heater)

Total heating power: 32.5KW

Cooling method: air cooling

Air-cooled zone: Zone 5

Air cooling power per zone: 180W

4.) One set of single-channel dual-position hydraulic quick-change screen for the host (plate type)

Control method: hydraulic control

Control power: 2.2KW

Hydraulic cylinder bore: φ100mm