Disclosed is a nano-sand mill with static discharge at the tail end of a turbine, including a main body and a screen box. The screen box is fixedly installed at a bottom of the main body, a top surface of the screen box is provided with a through hole, the screen box is communicated with a discharge chamber of the main body through the through hole, an annular mounting plate is fixedly installed on an inner side surface of the screen box, a screen is fixedly installed between inner side surfaces of the annular mounting plate, and a dredging mechanism is provided inside the annular mounting plate. Through the dredging mechanism, a plurality of dredging marbles can continuously strike the screen to quickly dredge the screen, shaking out materials blocked on the screen, and the surfaces of the dredging marbles grind materials blocked on the lower surface of the screen.

Disclosed is a nano-sand mill with static discharge at the tail end of a turbine, including a main body and a screen box. The screen box is fixedly installed at a bottom of the main body, a top surface of the screen box is provided with a through hole, the screen box is communicated with a discharge chamber of the main body through the through hole, an annular mounting plate is fixedly installed on an inner side surface of the screen box, a screen is fixedly installed between inner side surfaces of the annular mounting plate, and a dredging mechanism is provided inside the annular mounting plate. Through the dredging mechanism, a plurality of dredging marbles can continuously strike the screen to quickly dredge the screen, shaking out materials blocked on the screen, and the surfaces of the dredging marbles grind materials blocked on the lower surface of the screen.

A grinding and shaping method using a vertical grinding mill, comprising: selecting a vertical grinding mill with thread pitch/diameter ratio of a spiral rotor; selecting the grade of a grinding medium and determining the filling factor and adding the grinding medium into a grinding chamber of the vertical grinding mill; sequentially initiating a dust collector, an air blowing device, a driving device and a feeding device, wherein the driving device propels the spiral rotor to rotate, and the air blowing device blows upward from bottom of the grinding chamber; adjusting rotation speed of the spiral rotor of the vertical grinding mill to change cycling speed of the raw material and the grinding medium in the grinding chamber; feeding a raw material into the feeding port at an upper end of the grinding chamber; initiating a discharging device, and discharging the raw material from a discharging port.

A grinding and shaping method using a vertical grinding mill, comprising: selecting a vertical grinding mill with thread pitch/diameter ratio of a spiral rotor; selecting the grade of a grinding medium and determining the filling factor and adding the grinding medium into a grinding chamber of the vertical grinding mill; sequentially initiating a dust collector, an air blowing device, a driving device and a feeding device, wherein the driving device propels the spiral rotor to rotate, and the air blowing device blows upward from bottom of the grinding chamber; adjusting rotation speed of the spiral rotor of the vertical grinding mill to change cycling speed of the raw material and the grinding medium in the grinding chamber; feeding a raw material into the feeding port at an upper end of the grinding chamber; initiating a discharging device, and discharging the raw material from a discharging port.

An invention is provided for creating smoothed, heat-treated glass fragments. The invention includes placing a plurality of heat-treated glass fragments into a tumbling or vibrating apparatus. Each heat-treated glass fragment is formed from glass that has been heated to a temperature of at least 1000° Fahrenheit and rapidly cooled to a temperature below 800° Fahrenheit. The plurality of glass fragments is then tumbled or vibrated for a predetermined period of time such that surfaces of the heat-treated glass fragments are smoother than prior to tumbling. The glass fragments are thereafter removed from the tumbling apparatus, resulting in smoothed, heat-treated glass fragments that have a slightly rounded, bead like-shape and are suitable for direct handling without hand protection. The glass fragments as are able to be provide radiant heat in the temperature range of 400° to 800° Fahrenheit. This temperature range and the use of the heat-treated glass fragments provides for a clean burning fire that virtually eliminates any soot and carbon monoxide while burning.

An active/resilient grinding media inside a tube containing a sample is oscillated rapidly by a homogenizer so that the active media is driven in a first direction until it impacts a first end of the tube, which causes it to deform and store an energy charge as it decelerates and stops, and it then accelerates rapidly in the second opposite direction under the discharging force of the stored energy toward the opposite second end of the tube. This cycle of the active media decelerating/charging and then discharging/accelerating is repeated throughout the entire oscillatory processing of the sample. The result is much higher velocities of the active media and therefore much greater impact forces when the sample and active media collide, producing increased efficiency in disruption and size-reduction of the sample particles.

An active/resilient grinding media inside a tube containing a sample is oscillated rapidly by a homogenizer so that the active media is driven in a first direction until it impacts a first end of the tube, which causes it to deform and store an energy charge as it decelerates and stops, and it then accelerates rapidly in the second opposite direction under the discharging force of the stored energy toward the opposite second end of the tube. This cycle of the active media decelerating/charging and then discharging/accelerating is repeated throughout the entire oscillatory processing of the sample. The result is much higher velocities of the active media and therefore much greater impact forces when the sample and active media collide, producing increased efficiency in disruption and size-reduction of the sample particles.

A discharge grate assembly in a discharge end wall system in a mill shell of a grinding mill. The mill shell defines a mill shell chamber in which a charge including grinding balls and ore-bearing rocks is positioned. The mill shell is rotatable about a central axis thereof for comminution of the ore-bearing rocks to form the grinding balls into worn grinding balls and to produce a slurry including liquid and worn rock pieces from the ore-bearing rocks. The discharge grate assembly includes a body with elongate apertures therein, each aperture extending between a first end thereof and a wider second end thereof. The first and second ends of the aperture are partially defined by respective first and second end walls that are at least partially rectilinear, for impeding the worn grinding balls and the worn rock pieces from lodging in the aperture.

A discharge grate assembly in a discharge end wall system in a mill shell of a grinding mill. The mill shell defines a mill shell chamber in which a charge including grinding balls and ore-bearing rocks is positioned. The mill shell is rotatable about a central axis thereof for comminution of the ore-bearing rocks to form the grinding balls into worn grinding balls and to produce a slurry including liquid and worn rock pieces from the ore-bearing rocks. The discharge grate assembly includes a body with elongate apertures therein, each aperture extending between a first end thereof and a wider second end thereof. The first and second ends of the aperture are partially defined by respective first and second end walls that are at least partially rectilinear, for impeding the worn grinding balls and the worn rock pieces from lodging in the aperture.

A lead needle and lead slime separator for treating thin lead grid of waste lead-acid storage battery, includes: a barrel body, corrosion-resistant and wear-resistant balls, a feed device, a bracket device, a discharge device and a driver. A feed hole is arranged at one end of the barrel body, a discharge port is arranged at the other end of the barrel body. The feed device is mounted at the feed hole, and the discharge device is mounted at the discharge hole. The bracket device is connected to the barrel body, the driver is connected to the barrel body. The corrosion-resistant and wear-resistant balls are arranged in the barrel body. The separator can make the thin lead grid separation complete, clean and impurity-free. It does not need to be melted at high temperature in the melting furnace.