Low temperature high speed flame spraying system for thermally spraying powdered materials comprises a mixing chamber having an injection system for non-combustible gases and/or water downstream of a combustion chamber

摘要

Low temperature high speed flame spraying system comprises an additional chamber formed as a mixing chamber (28) having an injection system (2) for non-combustible gases and/or water downstream of a combustion chamber (30). The additional chamber variably lowers the temperature of the hypersonic flame jet exiting the combustion chamber and entering the mixing chamber. Injectors (22) for introducing powdery spray additional materials and an expansion nozzle (5) are connected downstream from the mixing chamber.