standard laboratory PFI mill PFI beater
PL11
The PFI mill is a beater featuring a high reproducibility, used for studying the relationship between beating degree of pulp and physical properties. This machine is basically an experimental beater widely used in the preparation stage of paper making. Beating mechanism: a constant load is given to the pulp circulating in between stainless steel roll and cylindrical mill house, which are rotating with a constant difference in circumferential velocity, applying mechanical effects such as shear and compression, thereby performing beating by frictional forces between fibers.
The number of rotations is read on the counter. The beating degree is evaluated by the freeness tester.
PL11 PFI Beater(PFI Mill) it is uses in the pulping papermaking experiment, for the paper pulp buckle Xie Du determination, the paper pulp test specimen moisture content's determination, the paper pulp density's determination, the wet degree of dissociation's determination, the degree of ionization determination provides the standard specimen, the PL11 refiner conforms to ISO 5264/2-1979 "the paper pulp laboratory beating - - second part: PFI bothers the experiment standard which" as well as ISO5264/2, TAPPIT248 stipulated.
Principle: Has the normal concentration paper pulp after the measurement to put between the knife roll and the smooth beating cylinder, knife roll and beating cylinder by different circumferential velociy revolving. By this function in the paper pulp, achieves the beating the goal.
Characteristic:
Adjustable internode fly cutter and stuff chest intermural crack; Three group of beating pressure combination; The manual cutter head high and low work, the operational safety, the clean is convenient; Rotation or time automatic control control, high luminance numerical code demonstration; The rigid nose, the long time use, knocks on the solution gap to be accurate. The casting foundation, the revolution is steady, does not have the noise.
Parameter:
1. Stuff Chest: Inside diameter: φ250mm deep 53mm, rotational speed: 11.8r/s
2. Fly Cutter Rotor: Outer diameter: φ200mm highly 50mm knife thick 5mm, rotational speed: 1440r/m.
3. Fly Cutter Rotor Electrical Machinery: 1.1kW /380v; 24.3r/s.
4. Buckles the Solution Gap Adjustment Distance: 0~25mm.
5. Stuff Chest Electrical Machinery: 370W/380v; 1440r/m
6. Counter Display Control Scope: 0-999999 revolutions
7.Kknife Roll and Stuff Chest Link Speed Difference: (6.0±0.2) m/s.
8. Buckles the Solution Paper Pulp Density: 5~20%, standard density 10%.
9. Certainly Dry Finishing 5~30g, standard 10g.
10.Beating Pressure: (3.33±0.1) N/mm bit length; (1.77±0.1) N/mm bit length; (4.89±0.1) /mm bit length.
11. external dimensions: Long * wide * high,860mm×450mm×1100mm.
Specifications PFI type Pulp Refiner:
Grinding mill site consists of three main parts:
- Bowls mounted on the basis of
- Refining disc having a working surface for the blade 33 (rib)
- Systems weight distribution arm, which provides the necessary pressure grinding.
Number Specifications Value
Roll Dimensions :
Diameter , 200 mm
Rib height , 30 mm
The thickness of the ribs 5 mm 5.0
Number of Ribs ,
Dimensions grinding vessel :
An inner diameter of 250.0 mm
Inner Diameter (internal height), 52 mm
Speed Roll, vol. / Min 1440
Speed bowl , vol. / Min 720
Total bowl volume occupied by the pulp and water, 450 mL
The gap between the inner surface of the grinding vessel and grinding drum adjustable in the range from 0.00 mm to 0.20
Power supply, V , Hz 380/3/50
The total weight of the lever and provide the primary load pressing force during grinding , wherein the specific value (force per unit length ) corresponds to 1.8 kg / cm. Installing additional weight provides increased specific contact pressure corresponding to 3.4 kg / cm .
Material of the grinding vessel and stainless steel drum
Digital Timer
The load system in the form of a rotary head with a load presence
Control modes : manual and semiautomatic
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