Scrub sand
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Key words:
Because the silica sand ore exists on the surface and below, which mixed with a large number of soil and rotten weeds, is not suitable for direct use, need to be cleaned before use. This kind of through multiple cleaning, and in the cleaning process by increasing the scrubbing machine strong scrubbing link to improve the cleaning effect, the production of silica sand can be called scrubbing sand.
The raw ore used by Lianxin Casting Sand Group for scrubbing sand is "Aeolian sand", which belongs to the Inner Mongolia sand system and has a silica content of about 90%. Compared with sea sand, angular fineness is small (closer to round), low acid consumption value (less surface oxide) and other advantages, more suitable for resin as binder type, core manufacturing. High market recognition.
The specific production steps of Lianxin scrubbing sand are: impurity removal, hydraulic classification, concentration, scrubbing, desliming and finished products.
Lianxin scrubbing sand process advantages:
1. The use of four-level strong scrub, rinse desliming more times, mud content can be controlled below 0.2%(lower than the industry standard);
2. Scrub according to the product model. Sand products other than this model will not appear in the sand category after scrubbing. Greatly guarantee the particle size stability of each type of sand products.
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