Solid material comminution or disintegration – Apparatus – With separation or classification of material
Reexamination Certificate
1999-04-14
2001-02-27
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Apparatus
With separation or classification of material
C241S152200, C241SDIG014
Reexamination Certificate
active
06193178
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a waste disposal apparatus, and more particularly to a waste disposal apparatus comprises a crushing, a ripping, a sieving, an initial separation, a cutting, an advance separation, and a strainer devices for classifying a variety of waste.
2. Description of Related Art
Waste is frequently produced in our daily life and in the industry. Further, we are bothered to dispose the waste, especially non-biodegradable materials such as plastic. Typically, a toxic exhaust is possibly produced by burning the waste in the incinerator. In addition, the plastic is subjected to form a concreted mass after burning such that it is hard to degrade. A cracking process, such as a plasma cracking process, for disposing waste is developed recently. This is an improvement over the above burning technique. However, it is still impossible of processing waste comprising stones, glass, metal cans, and chemicals. It is desirable to classify waste in order to recycle it or further incinerate or crack it.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a waste disposal apparatus for offering the advantages of saving power, reducing operation and maintenance costs, and lowering the failure times.
The advantages of the present invention are realized by providing a waste disposal apparatus comprising a crushing device for crushing the waste; a ripping device coupled to the crush device for ripping the waste; a sieving device coupled to the ripping device having an upper mesh and a lower mesh for sieving out the larger waste blocks by horizontally vibrating the upper mesh and further sent to a tank; an initial separation device for sieving out the smaller waste blocks separated from the lower mesh by utilizing the fact that different kinds of waste are different in specific gravity and thus having different immersion depth in the water; a cutting device for cutting the waste blocks with lower specific gravity; an advanced separation device for further sieving out the waste pieces sent from the cutting device again by utilizing the same fact as the initial separation device; and a strainer device for sieving out the fined waste.
The above and other objects, features and advantages of the present invention will become apparent from the following detailed description taken with the accompanying drawings.
REFERENCES:
patent: 3910775 (1975-10-01), Jackman
patent: 5829691 (1998-11-01), Gaudin
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