The working principle and development history of 6-S shaker
The 6-S shaker (also known as the 6S shaker, the beneficiation shaker, the FRP shaker) is a gravity beneficiation device developed from a flat chute and later characterized by its asymmetric reciprocating motion. The 6-S shaker consists of three parts: the bed surface, the frame and the transmission mechanism. The bed surface is trapezoidal or rhombic, with a slope of 1° to 5° in the lateral direction. It is placed above the inclined side to the ore tank and the water supply tank. The bed strip is arranged in the longitudinal direction, the height of which is lowered from the transmission end to the opposite side. The entire bed surface is supported by the frame, and a transmission device is installed at one end of the bed surface, and the latter can have a rapid return motion characteristic when the bed surface is approached to the end, that is, a so-called differential motion.
6-S shaker is a common sorting fine ore processing equipment, the processing selected from the tick effectively when the metal ore particle size range is 3 to 0.019 mm, a particle size of up to 10 mm when the upper limit is selected from coal.
The outstanding advantage of the 6-S shaker is the high precision of sorting. High-grade concentrate or waste tailings can be obtained by one sorting, and multiple products can be taken out at the same time. The flat 6-S shaker is easy to handle and easy to adjust.
The main disadvantage is that the equipment covers a large area and the processing capacity per unit of factory area is low. The application of the shaker has been nearly a hundred years old. The original shaker used the impact to cause asymmetric reciprocating movement of the bed surface. It was made in 1890 for coal preparation. The 6-S shaker (mineralization shaker) for ore dressing was made by A. Wilfley from 1896 to 1898 with an eccentric bracket mechanism. In 1918, Plat-O made another transmission mechanism with a cam lever. These two 6-S shaker head structures have been improved and are still in use today. After the Second World War, Germany made a fast 6-S shaker with eccentric drive. In 1964, China successfully developed a inertial spring type 6-S shaker, which has been promoted and applied in production.
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