Apparatus for comminuting and extracting
OwnerEdgar M. Pierceinventor
Life of this patent
Estimating the term…
Abstract
Method and apparatus for comminuting cellulosic materials such as paper and destructible constituents of trash and garbage wherein the material is supported on a flat wire screen presenting sharp, upwardly directed edges and wherein the material is subjected to the force of jets under a high enough pressure to impact the material at at least 100 psi. The disclosure provides for varying the force of jets to accommodate differing qualities of material and to selectively comminute only that which is desired to be introduced into a slurry, the force being insufficient to comminute materials to be rejected.
Claims13
Apparatus for comminuting cellulosic materials comprising:
- a foraminous bar type conveyor providing substantially rigid sharp edges for supporting said materials,
- at least one jet impact nozzle overlying said conveyor,
- means for supplying water under high pressure to said nozzle to impact said conveyor with a force of at least approximately 100 psi,
- means for moving said conveyor past said nozzle, and
- means for reciprocating said nozzle in a direction transverse to movement of said conveyor.
The method of comminuting cellulosic material comprising the steps of:
- rigidly supporting said material on a backing of sharp edges,
- impacting said materail with water at a force of at least approximately 100 psi, and
- reciprocating a jet of water directed onto said material in a first direction to perform said impacting step and conveying said material past said reciprocating jet in a direction perpendicular to the direction of reciprocation.
The method of converting trash, garbage and the like into a useful product comprising the steps of:
- supporting the material to be converted on a mesh belt having upwardly facing sharp edges,
- impacting said material with jets of water, the force of impact on said material being at least approximately 100 psi,
- the impacting force being sufficiently high to comminute the material to be converted to a useful form and insufficiently high to comminute the harder to destruct, less desirable materials,
- and reciprocating the jets of water in a transverse direction while conveying the material underneath the jets in a longitudinal direction.
Dependencies are inferred from the claim text.