Double Air Duct Grain Peeling Polishing Rice Mill Multifunctional

Multifunctional Double Air Duct Grain Peeling Polishing Rice Mill

Description:

At present, the abrasives suitable for rice processing and production enterprises are mainly black silicon carbide and green silicon carbide. Due to the cheap price and sufficient supply of black silicon carbide, black silicon carbide is the main abrasive for manufacturing rice grinding rollers at present. Abrasives belong to barren materials and have no binding capacity. In order to make them into rice grinding sand rollers with milling capacity, binders must be used. At present, the binders available for rice grinding sand rollers are mainly ceramic binders and resin binders. The rice grinding sand roll composed of ceramic binder and abrasive is called ceramic rice grinding sand roll, and the rice grinding sand roll composed of resin binder and abrasive is called resin rice grinding sand roll. Ceramic rice grinding roller is a compact mixture of abrasive and ceramic binder (its main component is inorganic salt) sintered at a high temperature above 1200 ℃. It has the advantages of high-temperature resistance, wear resistance, acid and alkali resistance, and long service life; however, it is brittle, easy to damage, has poor self-sharpening performance, and is expensive. Due to the complex price and manufacturing process, the ceramic rice grinding sand roller is still not widely used. Therefore, the resin rice grinding sand roller is still widely used in rice processing practice. The resin rice grinding roller is a porous mixture of resin binder (mainly phenolic resin or epoxy resin) and abrasive (mainly black silicon carbide) sintered at 180 ℃. Due to its low sintering temperature, loose structure, easy falling off of abrasive particles, good self-sharpening performance, and continuous generation of multi-edge and angular abrasive particles with sharp edges in the working process, the grinding effect of the sand roller on rice particles is enhanced and the rice milling efficiency is improved. Therefore, the resin rice grinding sand roller (hereinafter referred to as the sand roller for convenience of description) has the advantages of no damage to rice particles, low rice crushing rate, and high rice yield It has the advantages of high rice milling efficiency and low power consumption. It is especially suitable for the processing of raw grain with poor quality and powder plasmid.

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