Safety and protection of sand blasting

1 Sand blasting machines, pipes and joints must be firmly installed and reliably connected to ensure no leakage During the work, it should also be checked frequently to see if there is any air leakage and pipeline wear, especially if the pipeline is seriously worn, it should be replaced in time to prevent bursting and personal injury 2 When sandblasting, the nozzle shall not face people 3 It is forbidden to repair sandblasting equipment or replace parts under air pressure When adding sand to the sand tank, the compressed air in the cylinder shall be exhausted before the top cover can be opened 4 Operators shall wear sandblasting work clothes with helmets It is made of rubber or leatherette for work and has air distributor Wear rubber, leather or heavy cloth gloves; auxiliary personnel must wear protective glasses and dust masks 5 The air breathed by the operator in the helmet must be filtered and the air pressure adjusted to 1 2 kg / cm2 6 During winter construction, the hot gas exhaled by the operator is easy to form fog on the glass of helmet, which may affect the vision The antifogging agent can be applied on the inner wall of the glass, but it should not be too thick The formulation and manufacture of the antifogging agent are as follows Formula: 200g ordinary soap; 300ml alcohol; 100ml glycerin Production: first, cut the soap into thin slices and put it into alcohol for heating and dissolving, then filter it while it is hot, add glycerin, then heat it to evaporate the excess alcohol, and use it after cooling 7 Clean the sand on scaffold board and structure in time to prevent slipping