Zero-pollution preparation method and processing equipment for marine biological calcium powder product

The invention relates to a zero-pollution preparation method for a marine biological calcium powder product. The method comprises the following steps of eliminating and aging marine phycomycetes attached outside waste oyster shells serving as raw materials, performing impurity removal, decontamination, screening and grading on the oyster shells, cleaning the oyster shells by using fresh water, spin-drying the oyster shells to remove the water, and coarsely crushing, finely crushing and grinding the oyster shells by using grinding equipment to realize the rapid, clean and pollution-free preparation of the biological calcium powder product. In addition, the invention provides zero-pollution processing equipment for the marine biological calcium powder product. The oyster shells are finely crushed. According to the method and the equipment, a conventional acid-washing decontamination method is changed, inorganic acid raw materials are greatly saved, acid pollution is avoided, and the quality of the biological ca