Asphalt/dust/rubber processing equipment

Details Asphalt/dust/rubber processing equipment Asphalt/dust/rubber processing equipment

1990-09-20

1995-01-24

Scherbel, David A.

Agitating

Mortar mixer type

With heating or drying

366 34, 366 35, 366149, 366151, 366178, 366182, 222145, B28C 546, B01F 1502

Patent

active

053837258

ABSTRACT:
A closed, pressurized apparatus for introducing aggregate dust and rubber into a stream of liquid asphalt is provided. Aggregate dust and rubber are dispensed through a valve from a receiving chamber into a mixing housing. The aggregate dust and rubber enter the mixing housing at an intermediate location therein. The liquid asphalt is introduced into the mixing housing through a separate conduit at a location thereon above the point of entry of the aggregate dust and rubber. The liquid asphalt, the aggregate and the rubber combine within the mixing housing to form a slurry composition. A heating jacket substantially surrounds the mixing housing and a system for preventing liquid asphalt from backing up into the receiving chamber is also provided. The apparatus is particularly useful in an asphalt plant using a bag house.

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Dri-Flo, Inc., "Dri-Flo The Only All Purpose Pneumatic Pump" brochure, Jul. 1987.

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