Silicon granule is short for ferrosilicon granule, that is, ferrosilicon inoculant, used in steelmaking and ironmaking.
(1) The composition of uniform, small segregation.
(2) The uniform particles, powder, inoculation effect stable.
(3) The inoculation effect than the common ferrosilicon, tend to produce slag is small.
(4) Extend the die life, reduce the surface defects.
(5) Reduce the pinhole, improve the quality of casting pipe surface, and improve a especially qualified rate.
(6) To eliminate the miniature pine, improve casting processing performance.
Silicon Granule Treatment Method:
Set up recovery equipment for recovering silicon granule from the discharged liquid containing silicon granule, storage tank for dissolving mixture, and import the mixture to conduct filtration filter.The discharged liquid is discharged when the monocrystalline silicon ingots are processed by the silicon ingot processing device to form silicon blocks, and the dissolved mixed liquid is formed by mixing acid and dissolving impurities in the slurry silicon grains recovered by the said recovery equipment.
First, the dissolved mixture in the mixture tank is fed to the cloth filter to start filtering, and then the filtrate returns to the above mixture tank for circulation.
If a filter cake of the required thickness is formed on the press cloth of the press cloth filter, the filtrate will flow through the discharge path for filtration without returning to the mixing tank.
After the filtration of the dissolved mixture is completed, pressurized air is supplied to one side of the filter cloth surface of the press cloth filter to dehydrate the filter cake formed on the press cloth, and then pure water is supplied to the mixture tank to clean the filter cake on the press cloth.
Pressurized air is then supplied to one side of the press cloth filter surface of the press cloth filter to dehydrate the filter cake on the press cloth.
Then, pressurized air is supplied to the opposite side of the press cloth filter surface of the press cloth filter, making the filter cake on the press cloth fall off and the single crystal silicon particles are obtained.