Intelligent defrosting device for air temperature type vaporizer

The utility model discloses an intelligent defrosting device for air temperature type vaporizers, which comprises a first air temperature type vaporizer and a second air temperature type vaporizer which are respectively connected with a low-temperature liquid conveying pipeline, a gas output pipeline of the first air temperature type vaporizer is divided into a first branch pipe and a second branch pipe, the second branch pipe is connected with a recuperator, and the first branch pipe is connected with the recuperator. A gas output pipeline of the recuperator is connected with a gas supply pipe network, a gas output pipeline of the second air temperature type gasifier is divided into a third branch pipe and a fourth branch pipe, the fourth branch pipe is connected with the recuperator, the third branch pipe is divided into a fifth branch pipe and a sixth branch pipe, the fifth branch pipe is connected with the heater, a gas output pipeline of the heater is divided into an eighth branch pipe and a ninth branch