NOVELTY - An ammonia production system comprises hydrolyzer (1), hydrolyzer thermometer T1 (2), hydrolyzer pressure transmitter P (3), hydrolyzer level meter L (4), urea solution valve A1 (5), hydrophobic heat exchanger (6), steam adjusting valve A2 (7), hydrolysis gas outlet valve A3 (8), steam heat exchanger (9), hydrolysis gas outlet thermometer T2 (10), hydrolysis gas outlet flowmeter F (11), steam drain valve (12), and hydrolysis system control module in which hydrolyzer contains 7 interfaces e.g. urea solution inlet pipe (N1) sequentially connected to urea solution valve.    USE - An ammonia production system (claimed).    ADVANTAGE - Ammonia production system is environment-friendly and reduces operation cost and energy consumption.    DETAILED DESCRIPTION - An ammonia production system comprises hydrolyzer (1), hydrolyzer thermometer T1 (2), hydrolyzer pressure transmitter P (3), hydrolyzer level meter L (4), urea solution valve A1 (5), hydrophobic heat exchanger (6), steam adjusting valve A2 (7), hydrolysis gas outlet valve A3 (8), steam heat exchanger (9), hydrolysis gas outlet thermometer T2 (10), hydrolysis gas outlet flowmeter F (11), steam drain valve (12), and hydrolysis system control module in which hydrolyzer contains 7 interfaces e.g. urea solution inlet pipe (N1) sequentially connected to urea solution valve and hydrophobic heat exchanger, hydrolysis gas outlet pipe (N2) sequentially provided with hydrolysis gas outlet valve, steam heat exchanger, hydrolysis gas outlet thermometer, and hydrolysis gas outlet flowmeter, heating steam inlet pipe (N3) sequentially provided with steam adjusting valve and steam heat exchanger, steam trap outlet pipe (N4) sequentially provided with steam drain valve and hydrophobic heat exchanger, hydrolyzer thermometer, hydrolyzer pressure transmitter, and hydrolyzer level meter, and hydrolysis system control module is connected by cable to selective catalytic reduction (SCR) denitration control system. An INDEPENDENT CLAIM is included for control of ammonia production which involves adjusting opening degree of urea solution valve to adjust urea flowrate into hydrolyzer and control hydrolyzer liquid level, adjusting opening degree of steam adjusting valve to adjust flowrate of steam and control hydrolysis temperature, setting hydrolysis gas outlet flowmeter value using SCR denitration control system, controlling hydrolyzer pressure transmitter using hydrolyzer thermometer to maintain operating pressure at saturation pressure of operating temperature, automatically controlling steam trap discharge rate with steam drain valve, and performing real-time monitoring using hydrolysis gas outlet thermometer.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of ammonia production system. (Drawing includes non-English language text).    Hydrolyzer (1)    Hydrolyzer thermometer T1 (2)    Hydrolyzer pressure transmitter P (3)    Hydrolyzer level meter L (4)    Urea solution valve A1 (5)    Hydrophobic heat exchanger (6)    Steam adjusting valve A2 (7)    Hydrolysis gas outlet valve A3 (8)    Steam heat exchanger (9)    Hydrolysis gas outlet thermometer T2 (10)    Hydrolysis gas outlet flowmeter F (11)    Steam drain valve (12)    Urea solution inlet pipe (N1)    Hydrolysis gas outlet pipe (N2)    Heating steam inlet pipe (N3)    Steam trap outlet pipe (N4)