Combustion control system for bituminous drum mixers

Details Combustion control system for bituminous drum mixers Combustion control system for bituminous drum mixers

1978-02-21

1979-03-13

McCarthy, Edward J.

Agitating

Mortar mixer type

With heating or drying

366233, B28C 546, B01F 900

Patent

active

041439724

ABSTRACT:
An improvement in drum mixer asphalt plants comprising a combustion chamber which substantially completely surrounds an open flame projecting into the inlet end of the drum mixer and prevents the temperature at any point within the drum from reaching the level where it will burn asphaltic materials to produce pollutants which would otherwise be discharged into the atmosphere. At the same time, the combustion chamber will produce heated gases flowing into the drum at a sufficiently high and uniform temperature to melt the asphalt and permit entry of the asphalt and aggregate, including recycled asphalt paving materials, close to the combustion chamber.

REFERENCES:
patent: 1654358 (1927-12-01), Ash
patent: 2305938 (1942-12-01), Turnbull
patent: 2695461 (1954-11-01), Longley
patent: 4039171 (1977-08-01), Shearer
patent: 4075710 (1978-02-01), Jakob

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