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US 11,440,021 B2Granted
Pulverizer system
AssigneeTorxx Kinetic Pulverizer Limited
InventorsJaroslaw Lutoslawski, Mark Christopher Lugowski
Life of this patent
Estimating the term…
Abstract
A pulverizer may have such features as an ability to detect wrapping as well as possibly deter wrapping. A processor may also adjust the speed of rotation of the arms within the pulverizer and/or the speed of feed of input for various considerations. In fact the rotation direction may be reversed for at least brief periods of time in an effort to remove wrapped material. Vibration may also be sensed and efforts to prevent damage may be instigated by a processor.
Claims16
A pulverizer comprising:
- a top, and a conveyor feeding an inlet at the top;
- a bottom;
- a drum located between the top and the bottom;
- a rotating shaft extending vertically within the drum between the top and bottom, the rotating shaft having radially extending arms creating flow currents within the pulverizer thereby reducing the size of product input at the inlet so as to produce a size reduced material that is discharged at an outlet;
- a motor coupled to the rotating shaft;
- a vibration sensor coupled to the rotating shaft to sense vibration of the rotating shaft, and
- a processor communicating with at least one sensor programmed for:
- directing the rotation speed of the shaft based at least partially on input of the at least one sensor;
- and
- directing the speed of the conveyor based on at least one of an amperage of the motor and the rotation speed of the shaft;
- monitoring the amperage of the motor;
- monitoring a throughput rate of flow of the inlet or the outlet;
- determining that material is wrapped around at least one of the arms or the shaft based on detection of an increase in the amperage of the motor while sensing no increase in the throughput rate of flow does not increase;
- upon determining that material is wrapped around the at least one of the arms or the shaft, slowing and stopping the rotation of the shaft and subsequently temporarily reversing rotation of the shaft;
- temporarily reducing the speed of the conveyor upon detection, by the at least one sensor, of one of the slowing and the stopping of the shaft;
- and
- reducing the speed of at least one of the motor and the conveyor if vibration sensed by the vibration sensor exceeds a first predetermined threshold.
14 more elements
A pulverizer comprising:
- a top, and a conveyor feeding an inlet at the top;
- a bottom;
- a drum located between the top and the bottom;
- a rotating shaft extending vertically within the drum between the top and bottom, the rotating shaft having radially extending arms creating flow currents within the pulverizer thereby reducing the size of product input at the inlet so as to produce a size reduced material that is discharged at an outlet;
- a vibration sensor coupled to the rotating shaft to sense vibration of the rotating shaft;
- a motor coupled to the rotating shaft;
- and
- a processor communicating with at least one sensor and configured for:
- monitoring an amperage of the motor;
- monitoring a throughput rate of flow of the inlet;
- if the amperage of the motor increases when the throughput rate of flow does not increase, determining that material is wrapped around at least one of the arms or the shaft;
- upon determining that material is wrapped around the at least one of the arms or the shaft, slowing, stopping and subsequently temporarily reversing rotation of the shaft;
- and
- temporarily reducing the speed of the conveyor upon detection, by the at least one sensor, of one of the slowing and the stopping of the shaft;
- and
- reducing the speed of at least one of the motor and the conveyor if vibration sensed by the vibration sensor exceeds a first predetermined threshold.
13 more elements
Dependencies are inferred from the claim text.