Injection of pulverulent materials by pneumatic means

Abstract From the Canadian patent

Process and installation for injection of proportioned quantities of pulverulent materials by pneumatic means into an enclosure under pressure and application thereof to a shaft furnace, There is provided a process for the injection of metered quantities of pulverulent materials by pneumatic means and at a plurality of different points into an enclosure which is under variable pressure through pneumatic channels fed with pulverulent material and carrier fluid under pressure supplied by a booster. The process comprises the steps of depositing in each transport pulverulent material in a proportioning hopper into which the pulverulent material is introduced at pressure P1, extracting the …