Abstract: A trommel cleaning apparatus is supported by at least one carrier guide, which allows for movement of the cleaning apparatus from a first position to a second position in order to adjust a cleaning contact force between at least one cleaning element of the cleaning apparatus and the trommel. A driver assembly may be provided to move the cleaning apparatus between the first and second positions.

Abstract: A jigger for the processing of minerals such as coal, consisting of two traveling troughs, the upper trough being equipped with a sieve and closed from below by a continuous flexible membrane, the lower trough interrelating with the diaphragm of the upper trough, acting as a piston and giving water vertical pulsation. The troughs are linked to each other via double-arm levers, hinged in the supports. The double-arm levers together with the troughs form a system of hinged parallelograms, providing uniform distribution of pulsations along the whole capacity of the upper trough that produces conditions for the intensification of the jigging process. Besides this intensification, decreasing of energy-consumption and simplicity of design having been achieved. A laboratory sample was made and its testing showed good technological results and confirmed the reliability of a unit simple in manufacturing, operating and maintenance.

Abstract: A resin processing system in which a mixture of resins, preferably a mixture of anionic and cationic resins, is separated by a laminar or essentially laminar flowing fluid through a separator module, wherein the anionic particles are removed from the top of the module, and the cationic particles are removed from the bottom of the module. The separated particles can be reused, with or without regeneration of the resins, or can be discarded. Preferably, the mixed resin is cleaned by use of one or more vibrating screen and rotating sprayers which spray water prior to introduction into the separation module. Furthermore, the cleaned mixture can be used without separation. The resin processing system can be used to clean and separate resins which have been used, or to condition resins which have not been used, in water purification processes.

Abstract: Method and apparatus (10) are provided for separating and classifying particles (48,50,56) by dispersing the particles within a fluid (52) that is upwardly flowing within a cone-shaped pipe (12) that has its large end (20) above its small end (18). Particles of similar size and shape (48,50) migrate to individual levels (A,B) within the flowing fluid. As the fluid is deflected by a plate (42) at the top end of the pipe (12), the smallest particles are collected on a shelf-like flange (40). Ever larger particles are collected as the flow rate of the fluid is increased. To prevent particle sticking on the walls (14) of the pipe (12), additional fluid is caused to flow into the pipe (12) through holes (68) that are specifically provided for that purpose. Sticking is further prevented by high frequency vibrators (70) that are positioned on the apparatus (10).

Abstract: A continuous run sluice box having vibrating and sonic vibration means for concentrating gold or other precious metal, while eliminating the loss of black sands normally accompanying the use of conventional sluices. The sluice box is provided with a sonic vibrating means, and it is mounted for rotation about its own peripheral axis. The sluice includes two parallel channels disposed on either side of a main floor, so that the uppermost channel may be in use, while the lowermost channel is cleaned by directing streams of water and sonic vibration against the clogged riffles, thereby eliminating down time normally involved in periodic cleaning.

Abstract: A chute is formed by a bottom wall and side walls, and the bottom wall is provided with cross grooves for catching ore particles. The bottom and front walls of the grooves are formed on about the same radius of curvature with the curvature of the front wall forming an undercut under the feed edge of the grooves. The rear wall of the grooves leads from the bottom wall in a straight line inclined upwardly in a discharge end direction. Ore containing material which is fed down the chute is separated out in the grooves by a back eddy developed by the particular shape of the grooves.