Efficient heat exchange commercial steam engine and seafood steam cabinet

The utility model provides an efficient heat exchange commercial steam engine and a seafood steam cabinet. The commercial steam engine comprises a plurality of heat absorption rings arranged in a nested mode, heat insulation reflectors arranged on the outer sides of the heat absorption rings, combustors arranged in the heat absorption rings and a control part. Each heat absorption ring comprises a heat exchange pipe which is spirally arranged, and the multiple heat absorption rings which are arranged in a nested mode are arranged in parallel or in series. The heat efficiency of the commercial steam engine and the seafood steam cabinet with the efficient heat exchange function reaches 95%. The steam generator is high in heat efficiency, high in steam generation speed, energy-saving, environment-friendly, wide in regulation range, low in emission lower than the national standard, high in steam generation speed, environment-friendly, green and low-carbon. 本实用新型提出一种高效换热的商用蒸汽机及海鲜蒸柜，所述商用蒸汽机包括多个嵌套设置的吸热环、设置在所述吸热环外侧的隔