High-temperature high-efficiency rapid pressure swing adsorption nitrogen-production equipment and nitrogen-production method thereof

The invention discloses high-temperature high-efficiency rapid pressure swing adsorption nitrogen-production equipment and a nitrogen-production method thereof. The nitrogen-production equipment comprises a gas inlet device, a compressed air purification system, a constant temperature automatic control system and a nitrogen production module, wherein the nitrogen production module comprises two adsorption towers, the adsorption tower comprises a nitrogen outlet, a middle pressure equalization interface, a molecular sieve and an adsorption gas distribution tree, the molecular sieve is uniformlydistributed in the adsorption tower, the adsorption gas distribution tree comprises an upper gas distribution tree, a middle gas distribution tree and a lower gas distribution tree, the upper gas distribution tree is connected to the nitrogen outlet through a process control valve, the middle gas distribution tree is connected to the middle pressure equalization interface through a process control valve, the lower gas di