| 摘要 |
FIELD: shot blasting of surfaces in all branches of national economy. SUBSTANCE: apparatus includes hopper 1 for working medium, working head 3 with deflectors 17, air lines 4, 5 for pumping and suction off respectively, both connected with head 3, system for cleaning working medium. Each air line is joined with working cavity of head by means of two ducts. Ducts of pumping line are arranged between deflectors and over ducts of suction off line. EFFECT: enhanced efficiency due to improved design of apparatus. 2 cl, 1 dwg |
