The automatic intelligent handsheet former is a laboratory device used for pulp sheet forming and rapid vacuum drying.
Request a QuoteIn the laboratory, various fibers such as plant fibers and mineral fibers are processed through cooking, beating and screening. The pulp is then standardly disintegrated and poured into the handsheet cylinder. After stirring, the pulp is rapidly vacuum-filtered and formed. Subsequently, the sheet undergoes pressing and vacuum drying on the machine to form circular handsheets with a diameter of 200 mm, which can be used as standard samples for further physical property testing.
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Specification |
Description |
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Equipment Composition |
Forming section, transfer section, drying section, accessories |
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Forming Section Components |
Pulp storage chamber, screen section, agitation chamber, suction chamber |
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Forming Size |
≥ 200 ± 0.5 mm |
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Distance from Drainage Copper Mesh to Water Seal Overflow Edge |
800 ± 5 mm |
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Pulp Tank Capacity |
12 L |
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Materials in Contact with Pulp and Water |
304 stainless steel + silicone (corrosion-resistant materials) |
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Forming Wire Parameters |
Special papermaking wire made of phosphor bronze; warp: 60 threads/cm, weft: 55 threads/cm, wire diameter: 0.06–0.065 mm |
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Support Wire Parameters |
Phosphor bronze; warp: 8 threads/cm, weft: 7 threads/cm, wire diameter: 0.35 mm |
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Support Wire Frame |
Rib width: 2 mm, height: 30 mm, spacing: 10 ± 2 mm, top edge angle: 75° chamfer, top width: 0.5 mm |
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Pulp Agitation Methods |
Manual agitation / automatic agitation (two options) |
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Agitation Hole Specifications |
Diameter: 1.5 mm; two rows (upper and lower), ≥ 40 holes per row |
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Agitation Hole Arrangement |
Lower row horizontal; upper row at 30° to the center line |
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Automatic Agitation Control Mode |
Pneumatic agitation with adjustable agitation time |
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Agitation Air Source Flow |
≥ 60 L/min |
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Agitation Pressure |
0.4–0.6 MPa |
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Water Pump Parameters |
Flow rate: 18–20 L/min; liquid level control by set volume |
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Water Source Pressure Requirement |
100–500 kPa |
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Suction Chamber Volume |
≥ 17 L |
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Vacuum Pump Specifications |
Water circulation vacuum pump; maximum vacuum degree: ≥ -0.094 ± 0.002 MPa; efficiency: reaches -0.08 MPa in ≤ 10 s |
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Operation Modes |
Automatic / manual |
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Transfer Device Main Components |
Pressure roller, carrier board |
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Machine Body Material |
304 stainless steel |
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Water Supply Modes |
Bottom feed / top feed |
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Drainage Mode |
Pneumatic automatic drainage |
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Air Hose Material |
High-pressure air hose |
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Vacuum Hose Material |
Teflon |
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Electrical Components |
Omron |
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Leakage Protection System |
Included |
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Weight |
380 kg |
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