Process and apparatus for the production of a dispersion or solution from comminuted solid substances and a dispersion medium or solvent

Claim 2

A PROCESS FOR THE CONTINUOUS PRODUCTION OF A FILTRATE FROM A MIXTURE OF SOLID MATERIALS AND A FLUID MEDIUM CONSISTING ESSENTIALLY OF THE STEPS OF: A. SUPPLYING SOLID MATERIALS HAVING VARYING PARTICLE SIZES AND A FLUID MEDIUM TO FORM A MIXTURE THEREOF, B. SUBJECTING THE MIXTURE TO A COMMINUTING TREATMENT IN A COMMINUTING TREATMENT ZINE, C. INTRODUCING THE MIXTURE OF THE SOLID MATERIAL AND THE FLUID MEDIUM INTO A FILTERING ZONE DIRECTLY FROM THE COMMINUTING TREATMENT ZONE, D. PASSING AN ACCEPTABLE PORTION OF THE MIXTURE OF SOLID MATERIAL AND FLUID MEDIUM THROUGH A FILTER WHICH ALLOWS A PREDETERMINED PARTICLE SIZE OF SOLID MATERIAL TO PASS THERETHROUGH THEREBY LEAVING A REJECTED RESIDUE, AND THEN E. RECYCLING SAID REJECTED RESIDUE WHICH CONTAINS PARTICLE SIZES EXCEEDING SAID PREDETERMINED PARTICLE SIZE DIRECTLY TO THE COMMINUTING TREATMENT ZONE.

Claim 3

The process as defined in claim 1 wherein the recycling step includes controlling the flow rate of the recycled residue or maintaining a desired temperature of the solid and fluid medium mixture being treated.

Claim 4

The process as defined in claim 1 wherein a counter pressure is intermittently created within the filtering zone to bAckwash the filter and thus cause the filter residue to be dispersed into the flow of recycling fluid material.

Claim 5

A process as defined in claim 1 wherein said mixture of solid materials and fluid medium is introduced into the filtering zone in a direction transverse to the flow of the material through the filter.

Claim 6

A process as defined in claim 4 wherein said mixture of solid materials and fluid medium is introduced into the filtering zone in a direction tangential to the filter.

Claim 7

In an assembly for treating a continuous flow of solid materials and a fluid medium, the combination comprising: a. comminuting means for forming a mixture of solid materials in a fluid medium and having an inlet and an outlet, b. filtering means being directly attached to the outlet of the comminuting means for separating an acceptable filtrate portion of the mixture including solid material having a predetermined particle size from a rejected filtering residue, c. said filtering means including an inlet means and a filter cartridge having a longitudinal axis co-axial with the inlet means so that a flow of the mixture of solid materials and liquid from the outlet of the comminuting means is directed in a tangential direction across the surface of the cartridge, d. recycling means to continuously draw off the rejected filtering residue which includes solid materials having a particle size exceeding said predetermined particle size, and e. means for removing the acceptable filtrate portion from the filter means, f. said recycling means being directly connected to the comminuting means to re-feed the rejected filtering residue directly to the comminuting means.

Claim 8

In an assembly for treating a continuous flow of solid materials and a fluid medium, the combination comprising: a. comminuting means for forming a mixture of solid materials in a fluid medium and having an inlet and an outlet, b. filtering means being directly attached to the outlet of the comminuting means for separating an acceptable filtrate portion of the mixture including solid material having a predetermined particle size from a rejected filtering residue, c. said filtering means including an inlet means and a filter cartridge having a longitudinal axis co-axial with the inlet means so that a flow of the mixture of solid materials and liquid from the outlet of the comminuting means is directed in a tangential direction across the surface of the cartridge, d. recycling means to continuously draw off the rejected filtering residue which includes solid materials having a particle size exceeding said predetermined particle size, and e. means for removing the acceptable filtrate portion from the filter means, f. said recycling means being directly connected to the comminuting means to re-feed the rejected filtering residue directly to the comminuting means.

Claim 9

In an assembly for treating a continuous flow of solid materials and fluid medium and having an inlet and an outlet, a. comminuting means for forming a mixture of solid materials and fluid medium and having an inlet and an outlet, b. filtering means being directly attached to the outlet of the comminuting means for separating an acceptable filtrate portion of the mixture including solid material having a predetermined particle size from a rejected filtering residue, c. said filtering means including a tubular filter cartridge having a logitudinal axis co-axially extending with respect to the outlet of the comminuting means so that a flow of the mixture of solid materials and liquid from the outlet of the comminuting means is directed in a tangential direction across the surface of the cartridge, d. recycling means to continuously draw off the rejected filtering residue which includes solid materials having a particular size exceeding said predetermined particle size, and e. means for removing the acceptable filtrate portion from the filter means, and f. said recycling means being directly connected to the comminuting means to re-feed the rejected filtering residue directly to the comminuting means.

Claim 10

In an assembly for treating a continuous flow of solid materials and fluid medium and having an inlet and an outlet, a. comminuting means for forming a mixture of solid materials and fluid medium and having an inlet and an outlet, b. filtering means being directly attached to the outlet of the comminuting means for separating an acceptable filtrate portion of the mixture including solid material having a predetermined particle size from a rejected filtering residue, c. said filtering means including a tubular filter cartridge having a logitudinal axis co-axially extending with respect to the outlet of the comminuting means so that a flow of the mixture of solid materials and liquid from the outlet of the comminuting means is directed in a tangential direction across the surface of the cartridge, d. recycling means to continuously draw off the rejected filtering residue which includes solid materials having a particular size exceeding said predetermined particle size, and e. means for removing the acceptable filtrate portion from the filter means, and f. said recycling means being directly connected to the comminuting means to re-feed the rejected filtering residue directly to the comminuting means.

Claim 11

In an assembly for treating a continuous flow of solid materials and a fluid medium the combination comprising: a. comminuting means for forming a mixture of solid materials and fluid medium and having an inlet and an outlet, b. filtering means being directly attached to the outlet of the comminuting means for separating an acceptable filtrate portion of the mixture including solid material having a predetermined particle size from a rejected filtering residue, c. said filtering means including a housing and a tubular filter cartridge disposed in spaced relationship inside said housing, d. said tubular filter cartridge having a longitudinal axis co-axially extending with respect to the outlet of the comminuting means so that a flow of the mixture of solid materials and liquid from the outlet of the comminuting means is directed in a tangential direction across the surface of the cartridge, e. recycling means to continuously draw off the rejected filtering residue which includes solid materials having a particular size exceedIng said predetermined particle size, and f. means for removing the acceptable filtrate portion from the filter means, and g. said recycling means being directly connected to the comminuting means to re-feed the rejected filtering residue directly to the comminuting means.

Claim 12

In an assembly for treating a continuous flow of solid materials and a fluid medium the combination comprising: a. comminuting means for forming a mixture of solid materials and fluid medium and having an inlet and an outlet, b. filtering means being directly attached to the outlet of the comminuting means for separating an acceptable filtrate portion of the mixture including solid material having a predetermined particle size from a rejected filtering residue, c. said filtering means including a housing and a tubular filter cartridge disposed in spaced relationship inside said housing, d. said tubular filter cartridge having a longitudinal axis co-axially extending with respect to the outlet of the comminuting means so that a flow of the mixture of solid materials and liquid from the outlet of the comminuting means is directed in a tangential direction across the surface of the cartridge, e. recycling means to continuously draw off the rejected filtering residue which includes solid materials having a particular size exceedIng said predetermined particle size, and f. means for removing the acceptable filtrate portion from the filter means, and g. said recycling means being directly connected to the comminuting means to re-feed the rejected filtering residue directly to the comminuting means.

Claim 13

An assembly as defined in claim 8 wherein said filter cartridge has a closed free end that is extending in a direction toward the outlet of the comminuting means.