The Manufacture of Paper: With Illustrations, and a Bibliography of Works Relating to Cellulose and Paper-MakingSindall, R. W. (Robert Walter)
History
The Manufacture of Paper: With Illustrations, and a Bibliography of Works Relating to Cellulose and Paper-Making
Sindall, R. W. (Robert Walter)
Papermaking
In the estimation of materials required for the production of about
250 tons of paper, it is assumed that the 200 tons of esparto fibre
will yield 90 tons bleached esparto fibre, and that the mechanical
losses which take place during manufacture are counterbalanced by the
weight of china clay added to the pulp. These conditions naturally vary
in different mills, but such variations do not affect the schedule of
machinery.
_Unloading Sheds._
2 steam or electric cranes for handling fibre, clay, alum, bleach,
rosin, coal, and finished paper.
1 3-ton weighbridge.
1 5-cwt. platform scales.
_Steam Plant._
6 8-ft. by 30-ft. Lancashire boilers.
Fuel economiser.
Feed-water pump and tank.
Water softening apparatus.
1 500-h.-p. main steam engine, for fibre departments and beater
floor.
_Chemical Department._
Hoist for clay, alum, bleach, lime, &c.
4 causticising pans, 9 ft. diameter, 9 ft. deep.
2 storage tanks.
2 chalk sludge filter presses.
2 clay-mixing vats, 6 ft. diameter, 6 ft. deep.
1 starch mixer, 6 ft. diameter, 6 ft. deep.
1 size boiler, 8 ft. diameter, 8 ft. deep.
3 size storage tanks, 1,000 gallons each.
3 bleach-mixing vats.
3 bleach liquor settling tanks.
2 clear bleach liquor storage tanks.
1 alum dissolving tank.
_Recovery Department_:--
_Soda._
1 multiple effect evaporating plant.
1 rotary furnace.
4 lixiviating tanks, 2,000 gallons each.
2 storage tanks for clear liquor from lixiviating tanks, 20,000
gallons capacity.
_Fibre._
2 tanks for receiving machine backwater.
2 Fullner's stuff catchers, or some other system of treating
backwater.
2 filter presses.
_Esparto Department._
1 esparto duster.
Travelling conveyer for cleaned esparto.
6 Sinclair vomiting boilers, each of 3 tons capacity.
2 measuring tanks for caustic liquor.
4 washing engines, 15 cwt. capacity.
6 Tower bleaching engines.
1 presse-pâte.
10 galvanised iron trucks.
_Wood Pulp Department._
4 pulp disintegrators and pumps.
4 Tower bleaching engines.
4 washing tanks or drainers.
6 galvanised iron trucks.
_Beater Floor._
8 1,200-lbs. beating engines.
2 Marshall refiners.
6 galvanised iron trucks.
_Paper Machine Room._
2 paper machines, 106 in. wide, with stuff chests, strainers, and
engines complete.
1 paper machine, 120 in. wide, with stuff chests, strainers, and
engines complete.
Patent dampers for each machine.
_Calendering Room._
2 110-in. supercalenders.
2 100-in. supercalenders.
2 6-reel cutters.
1 200-h.-p. main steam engine.
_Finishing Room._
Sorting tables.
Packing press.
Weighing machine.
_Repairs Department._
Usual repair outfit, such as lathes, planing machine, drilling
tools, etc.
Blacksmith's shop outfit.
Public-domain text, read in full here on John Shaqi.
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