NOVELTY - The device comprises a barrel (6), a top relaxed exhaust outlet, an isobaric ammonia recovery tower, a lower relaxed exhaust inlet, a distribution slot (9), a distribution pipe (10), an upper baffle, distribution pipes, a division plate (5), a chimney, and a liquid nitrogen outlet. The barrel is provided with three sections, two sections or one section. A top part of the barrel is provided with a wire mesh demister (1). The top relaxed exhaust outlet is connected with the isobaric ammonia recovery tower.    USE - The device is useful for recycling ammonia.    ADVANTAGE - The device is capable of easily, rapidly and economically recycling the ammonia with reduced energy consumption.    DETAILED DESCRIPTION - The device comprises a barrel (6), a top relaxed exhaust outlet, an isobaric ammonia recovery tower, a lower relaxed exhaust inlet, a distribution slot (9), a distribution pipe (10), an upper baffle, distribution pipes, a division plate (5), a chimney, and a liquid nitrogen outlet. The barrel is provided with three sections, two sections or one section. A top part of the barrel is provided with a wire mesh demister (1). The top relaxed exhaust outlet is connected with the isobaric ammonia recovery. A side face of the barrel is provided with a liquid nitrogen inlet pipe of each section. The liquid nitrogen inlet pipe is respectively connected with each liquid nitrogen inlet pipe of ammonia synthesis process. The lower relaxed exhaust inlet is connected with the top relaxed exhaust outlet of a liquid nitrogen storage slot. A bottom part of the barrel is provided with a liquid nitrogen outlet. Each section is provided with a liquid distribution device. The liquid distribution device of each section comprises a liquid nitrogen flashing distributor (2), a filling pressure grate, regular filler and a grid tray, and is connected with the liquid nitrogen inlet pipe. The liquid nitrogen flashing distributor comprises a liquid nitrogen inlet pipe with multiple holes. The holes are communicated outside the barrel. The liquid nitrogen inlet pipe stretches into the barrel, and is arranged in the distribution slot. A hole on the distribution pipe is wholly arranged in the distribution slot. Lower parts of the distribution slot and the distribution pipe are provided with multiple liquid nitrogen distribution holes ranked according to a certain central distance. A gap is arranged between the distribution slot and the upper baffle. Each distribution pipe is connected on two sides of the distribution slot. The division plate, the chimney and the liquid nitrogen outlet are arranged between the previous section and the next section in the barrel.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic view of a device for recycling ammonia.    Wire mesh demister (1)    Liquid nitrogen flashing distributor (2)    Division plate (5)    Barrel (6)    Distribution slot (9)    Distribution pipe. (10)