Methods for pulverizing materials
AssigneeReduction Engineering, Inc.
InventorsRobert Sly, Eric Gorham, Larry Baker
Life of this patent
Estimating the term…
Abstract
This invention relates to the art of methods and apparatuses for grinding various materials into smaller particles; particularly, to those known in the art as pulverizing systems and devices. This invention provides methods and apparatuses for an improved disc mill assembly that utilizes a tapered flywheel and water jacket in conjunction with planar grinding disk cutting devices to create a tapered grinding channel.
Claims20
A method comprising the steps of:
- (A) providing a disc mill assembly comprising:
- (1) a housing;
- (2) a flywheel comprising a generally circular disc having first and second sides, wherein the first side has a first relatively inner raised mating member that is raised to a first height and a second relatively outer raised mating member that is raised to a second height, wherein the first height is different than the second height;
- (3) a water jacket comprising a generally circular disc having first and second sides, wherein the first side has a first relatively inner raised mating member that is raised to a first height and a second relatively outer raised mating member that is raised to a second height, wherein the first height is different than the second height;
- (4) a first grinding disk comprising a generally circular disc having first and second sides, wherein the second side comprises a cutting surface;
- (5) a second grinding disk comprising a generally circular disc having first and second sides, wherein the second side comprises a cutting surface;
- (B) attaching the first side of the first grinding disk to the first side of the flywheel wherein the first side of the first grinding disk contacts the first relatively inner raised mating member and the second relatively outer raised mating member of the first side of the flywheel to thereby deform the shape of the cutting surface of the first grinding disk;
- (C) attaching the first side of the second grinding disk to the first side of the water jacket wherein the first side of the first grinding disk contacts the first relatively inner raised mating member and the second relatively outer raised mating member of the first side of the water jacket to thereby deform the shape of the cutting surface of the second grinding disk;
- (D) positioning the flywheel, water jacket, first grinding disk and second grinding disk within the housing wherein:
- (1) the second side of the flywheel is secured to an associated rotating spindle;
- (2) the flywheel and the first grinding disk are rotatable within and with respect to the housing;
- (3) the second side of the water jacket is fixedly secured to the housing;
- (4) the cutting surfaces of the first and second grinding disks face each other;
- and,
- (5) a tapered grinding channel, that is used to grind associated materials when the disc mill assembly is operated, is created between and defined by the cutting surfaces of the first and second grinding disks by the deformation of the first and second grinding disks.
A method for pulverizing material with the operation of a disc mill assembly having (1) a housing;
- (2) a flywheel comprising a generally circular disc having first and second sides, wherein the first side has a first relatively inner raised mating member that is raised to a first height and a second relatively outer raised mating member that is raised to a second height, wherein the first height is different than the second height;
- (3) a water jacket comprising a generally circular disc having first and second sides, wherein the first side has a first relatively inner raised mating member that is raised to a first height and a second relatively outer raised mating member that is raised to a second height, wherein the first height is different than the second height;
- (4) a first grinding disk comprising a generally circular disc having first and second sides, wherein the second side comprises a cutting surface;
- (5) a second grinding disk comprising a generally circular disc having first and second sides, wherein the second side comprises a cutting surface, the first side of the first grinding disk being attached to the first side of the flywheel, wherein the first side of the first grinding disk contacts the first relatively inner raised mating member and the second relatively outer raised mating member of the first side of the flywheel to thereby deform the shape of the cutting surface of the first grinding disk, the first side of the second grinding disk being attached to the first side of the water jacket, wherein the first side of the first grinding disk contacts the first relatively inner raised mating member and the second relatively outer raised mating member of the first side of the water jacket to thereby deform the shape of the cutting surface of the second grinding disk, the flywheel, the water jacket, the first grinding disk and the second grinding disk being within the housing, the second side of the flywheel being secured to an associated rotating spindle, the flywheel and the first grinding disk are rotatable within and with respect to the housing, the second side of the water jacket being fixedly secured to the housing, the cutting surfaces of the first and second grinding disks facing each other, a tapered grinding channel adapted to grind associated materials when the disc mill assembly is operated, the tapered grinding channel being formed between and defined by the cutting surfaces of the first and second grinding disks by the deformation of the first and second grinding disks,
- the housing having an input opening and an outlet opening;
- the method comprising the steps:
- (1) moving initial material into the housing through the input opening and into a relatively larger area of the tapered grinding channel;
- (2) rotating the flywheel and first grinding disk with respect to the second grinding disk to grind the initial material into partially ground material;
- (3) moving the partially ground material through the tapered grinding channel to a relatively smaller area of the tapered grinding channel as the flywheel and first grinding disk continue to rotate with respect to the second grinding disk to grind the partially ground material into further ground material;
- and,
- (4) moving the further ground material out of the housing through the outlet opening.
A method of pulverizing associated material with
- a pulverizing system comprising:
- a first disc mill assembly comprising:
- (a) a housing an inlet opening and an outlet opening;
- (b) a flywheel comprising a generally circular disc having first and second sides, wherein the first side has a first relatively inner raised mating member that is raised to a first height and a second relatively outer raised mating member that is raised to a second height, wherein the first height is different than the second height;
- (c) a water jacket comprising a generally circular disc having first and second sides, wherein the first side has a first relatively inner raised mating member that is raised to a first height and a second relatively outer raised mating member that is raised to a second height, wherein the first height is different than the second height;
- (d) a first grinding disk comprising a generally circular disc having first and second sides, wherein the second side comprises a cutting surface;
- (e) a second grinding disk comprising a generally circular disc having first and second sides, wherein the second side comprises a cutting surface;
- (1) the first side of the first grinding disk being attached to the first side of the flywheel wherein the first side of the first grinding disk contacts the first relatively inner raised mating member and the second relatively outer raised mating member of the first side of the flywheel to thereby deform the shape of the cutting surface of the first grinding disk;
- (2) the first side of the second grinding disk being attached to the first side of the water jacket wherein the first side of the first grinding disk contacts the first relatively inner raised mating member and the second relatively outer raised mating member of the first side of the water jacket to thereby deform the shape of the cutting surface of the second grinding disk;
- and,
- (3) the flywheel, the water jacket, the first grinding disk and the second grinding disk being positioned within the housing wherein:
- (a) the second side of the flywheel is secured to a first rotating spindle;
- (b) the flywheel and the first grinding disk are rotatable within and with respect to the housing;
- (c) the second side of the water jacket is fixedly secured to the housing;
- (d) the cutting surfaces of the first and second grinding disks face each other;
- and,
- (e) a tapered grinding channel is created between and defined by the cutting surfaces of the first and second grinding disks by the deformation of the first and second grinding disks;
- the method comprising the steps of:
- (1) moving initial associated material into the housing through the input opening and into a relatively larger area of the tapered grinding channel;
- (2) rotating the flywheel and first grinding disk with respect to the second grinding disk to grind the initial associated material into partially ground associated material;
- (3) moving the partially ground associated material through the tapered grinding channel to a relatively smaller area of the tapered grinding channel as the flywheel and first grinding disk continue to rotate with respect to the second grinding disk to grind the partially ground associated material into further ground associated material;
- and,
- (4) moving the further ground associated material out of the housing through the outlet opening.
A method comprising the steps of:
- (A) providing a disc mill assembly comprising:
- (1) a housing;
- (2) a flywheel comprising a generally circular disc having first and second sides, wherein the first side has a first relatively inner raised mating member that is raised to a first height and a second relatively outer raised mating member that is raised to a second height, wherein the first height is different than the second height, wherein the first relatively inner raised mating member and the second relatively outer raised mating member are arcuate and concentric;
- (3) a water jacket comprising a generally circular disc having first and second sides, wherein the first side has a first relatively inner raised mating member that is raised to a first height and a second relatively outer raised mating member that is raised to a second height, wherein the first height is different than the second height, wherein the first relatively inner raised mating member and the second relatively outer raised mating member are arcuate and concentric;
- (4) a first grinding disk comprising a generally circular disc having first and second sides that are substantially planar, wherein the second side comprises a cutting surface;
- (5) a second grinding disk comprising a generally circular disc having first and second sides that are substantially planar, wherein the second side comprises a cutting surface,
- (B) attaching the first side of the first grinding disk to the first side of the flywheel wherein the first side of the first grinding disk contacts the first relatively inner raised mating member and the second relatively outer raised mating member of the first side of the flywheel to thereby deform the shape of the cutting surface of the first grinding disk into a non-planar shape;
- (C) attaching the first side of the second grinding disk to the first side of the water jacket wherein the first side of the first grinding disk contacts the first relatively inner raised mating member and the second relatively outer raised mating member of the first side of the water jacket to thereby deform the shape of the cutting surface of the second grinding disk into a non-planar shape;
- (D) positioning the flywheel, water jacket, first grinding disk and second grinding disk within the housing wherein:
- (1) the second side of the flywheel is secured to an associated rotating spindle;
- (2) the flywheel and the first grinding disk are rotatable within and with respect to the housing;
- (3) the second side of the water jacket is fixedly secured to the housing;
- (4) the cutting surfaces of the first and second grinding disks face each other;
- and,
- (5) a tapered grinding channel, that is used to grind associated materials when the disc mill assembly is operated, is created between and defined by the cutting surfaces of the first and second grinding disks by the deformation of the first and second grinding disks.
Dependencies are inferred from the claim text.