Heat loss reduction in rotating drum dryers

Details Heat loss reduction in rotating drum dryers Heat loss reduction in rotating drum dryers

1987-09-14

1989-03-28

Yuen, Henry C.

Heating

Tumbler-type rotary - drum furnace

432114, 432116, 432234, F27B 700

Patent

active

048159697

ABSTRACT:
A drum dryer for use in the manufacture of bituminous concrete asphalt is provided with a jacket including a layer of ceramic fiber insulation bonded to an outer sheath of aluminum, the jacket being wrapped around the outer peripheral surface of the wall of the drum and secured in place with bands of stainless steel strapping so as to reduce to a minimum heat loss due to dissipation of heat from the outer peripheral surface of the drum wall, thereby enabling conservation of energy, while affording protection to personnel and equipment in the vicinity of the dryer drum against excessive heat.

REFERENCES:
patent: 2749107 (1956-06-01), Corriston
patent: 3008701 (1961-11-01), Wiseman
patent: 3830171 (1974-08-01), Rolli
patent: 4071311 (1978-01-01), Errington
patent: 4170451 (1979-10-01), Laff
patent: 4450872 (1984-05-01), Orcutt
patent: 4522587 (1985-06-01), Miller
patent: 4539055 (1985-09-01), Orcutt

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