Multi-tube-bundle steam generator

The utility model discloses a multi-tube-bundle steam generator, and relates to the technical field of steam generating equipment, in particular to a multi-tube-bundle steam generator which comprises a box body, access doors are arranged at the top and the bottom of the front end of the box body, and fixers are fixedly connected to the top and the bottom of the right side of the front end of each access door. The left side of the front end of the access door is fixedly connected with a push-pull handle, and the access door is connected with the box body through a fixator. Through the use of an ultraviolet emitter, an ultraviolet emission head can perform ultraviolet disinfection work on liquid in the water storage tank, then the quality of the liquid can be guaranteed, the quality of steam can be improved, and therefore the practicability of the equipment is improved; the liquid level detection head can detect the height of liquid in the water storage tank, so that the phenomenon of self-heating damage of the