Recycling apparatus for obtaining oil from plastic waste

Details Recycling apparatus for obtaining oil from plastic waste Recycling apparatus for obtaining oil from plastic waste

1998-07-10

1999-09-07

Walberg, Teresa

Heating

Work chamber having heating means

Combustion products heat work by contact

432 13, 1263435A, F27B 318

Patent

active

059477210

ABSTRACT:
A recycling apparatus for obtaining oil from waste plastic by thermal decomposition having a tank proper with a hopper to charge the waste plastic and multiple heating pipes disposed above one another which communicate with one another in the tank proper. The upper heating pipe is connected to a hot-air generator and the lower heating pipe to a flue duct leading to the outside atmosphere, thus dividing the tank proper into an upper thermal decomposition zone and a lower melting zone. As such, the recycling apparatus accomplishes the melting and thermal decomposition of the waste plastic in one tank. The recycling apparatus is simple and compact, provides substantial cost savings and ease of maintenance, and increases productivity and economy.

REFERENCES:
patent: 3554449 (1971-01-01), Currie
patent: 4299559 (1981-11-01), Shimizu et al.
patent: 4522192 (1985-06-01), Miller
patent: 4522587 (1985-06-01), Miller
patent: 4600379 (1986-07-01), Elliott
patent: 4671765 (1987-06-01), Tsai
patent: 5027743 (1991-07-01), Ludwig
patent: 5728910 (1998-03-01), Matsubara et al.

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