Mineral substance apparatus

The utility model discloses a mineral substance apparatus, measuring precision is improved, the top exit that preblends the room sets up the combustor, wherein is provided with the splitter vane of 2 overlappings in the oil inlet department of atomizer. The utility model discloses a mineral substance apparatus, the splitter vane who sets up 2 overlappings through atomizer import department adjusts the flow of import department to control preblends indoor mixing ratio and pressure, and analysis results's precision is improved to the beating of control flame that just can be fine. 本实用新型公开了种矿物质测定仪，包括光源、原子化系统、分光系统和检测系统，其中原子化系统包括雾化器、预混合室和燃烧器，试样经过雾化器从预混合室端喷入，在预混合室的试样进口端设置有至少个空气进口和至少个助燃气体进口，在所述预混合室的上方出口处设置燃烧器，其中在雾化器的进油口处设置有2个重叠的分流片。本实用新型的种矿物质测定仪，通过雾化器进口处设置2个重叠的分流片来调节进口处的流量，从而控制预混合室内的混合比例以及压力，就能很好的控制火焰的跳动，提高测定结果的精度。