Diamond micro-powder crystal form control method

The invention relates to the technical field of diamond micro-powder, and discloses a diamond micro-powder crystal form control method, in the crystal form control method, an airflow crusher, an airflow shaper and a ball mill are used for crushing and shaping artificial diamond single crystals to obtain diamond micro-powder with certain granularity and crystal form; the airflow crusher comprises a crushing cavity, a grading section A, a grading section B and a grading section C which are arranged in sequence; the grading section A, the grading section B and the grading section C are respectively provided with a discharge port A, a discharge port B and a discharge port C; the airflow shaping machine comprises a diamond airflow classifier, a shaping tank, a cyclone collector and a cloth bag collector which are arranged in sequence; and the shaping tank, the cyclone collector and the cloth bag collector are respectively provided with a discharge port D, a discharge port E and a discharge port F. The method is si