Air heating assembly in movable fire extinguishing equipment and movable fire extinguishing equipment

The utility model discloses an air heating assembly in a movable fire extinguishing device, the movable fire extinguishing device is a movable water mist fire extinguishing device and comprises a machine case and a fire pump, the fire pump is arranged in the machine case, and the air heating assembly is arranged in the machine case to heat air in the machine case. In winter low-temperature subzeroenvironment, especially in perennial low-temperature subzero environment in plateau areas such as northern areas and Tibet areas, the air heating assembly can be started to heat air in the case, so that the internal environment of the case is in a heat preservation environment state, and equipment is prevented from being damaged by freezing in the case, a fire pump, a water pipe and a water tank.The movable fire extinguishing equipment can normally operate in an external-subzero low-temperature environment, and the movable fire extinguishing equipment can achieve a fire extinguishing effectat a key moment. The utilit