Heating temperature control device for digestion rush acid analyzer

The invention provides a heating temperature control device for a digestion rush acid analyzer. The heating temperature control device comprises a plurality of digestion bottles and an electric heating piece, wherein each digestion bottle has a flat bottom and straight tube shape, the diameter of each digestion bottle is 25mm, and the height of each digestion bottle is 190mm; the electric heating piece is molded by manufacturing of solid aluminum blocks, a digestion groove for storing the digestion bottle is formed in the electric heating piece, the diameter and the depth of the digestion groove are respectively 27mm and 30mm, and the horizontal distance of the adjacent digestion grooves is 5mm. By adopting a straightly tubed digestion bottles with small bottom area and aluminum block heating blocks with circular grooves, the device is large in treatment quantity, is uniformly heated, short in heating time, high in the accuracy of detection results, capable of saving material resources and labor force, good i