1. Regularly check the air tightness of the equipment to prevent loose nuts and bolts from leaking air, otherwise it is difficult to ensure the purity of the gas, and the leakage of nitrogen hydrogen mixed gas will affect safety.

2. Regularly pay attention to whether the temperature meter and thermocouple are working properly. If the temperature meter malfunctions or the thermocouple has poor contact, it is easy to cause inconsistency between the indicated temperature and the actual temperature, resulting in excessive heating temperature and equipment damage. Therefore, if the temperature meter malfunctions or the thermocouple has poor contact, it must be repaired immediately.

3. When the ammonia decomposition hydrogen purification device needs insulation without ammonia gas for a long time, the automatic temperature control should not exceed 500 ℃, otherwise it will cause the catalyst of the ammonia decomposition hydrogen production device to burn out locally.

4. When testing for leaks, the intake and exhaust must be slow to avoid breaking the glass tube due to the sudden jumping of the float inside the flowmeter.

5. When using compressed air to test the leakage of ammonia decomposition hydrogen purification equipment, the furnace temperature must be lowered to room temperature before proceeding, otherwise it will cause rapid oxidation of the catalyst and loss of activity.

6. When the float inside the flowmeter bounces up and down during use, the flowmeter valve should be turned down until the float calms down.

7. When regenerating the ammonia decomposition purification device.

8. Open the drain valve every hour to drain water.

9. During regeneration, pay attention to whether the temperature controller can work properly to prevent loss of control and overheating, which may damage the electric heating rod and dryer.

10. During operation, open and close each valve according to different working states to prevent operational errors and failure to meet purification requirements.

11. Under possible conditions, it is advisable to regularly check the gas purity to ensure the normal operation of the device and to deliver qualified and high-quality gas to the point of use.

12. Regularly pay attention to whether the temperature controller is working properly to prevent it from losing control and causing the decomposition furnace to overheat and burn out the equipment.

13. Open the ammonia valve slowly to prevent a large amount of liquid ammonia from rushing into the device and unable to control the ammonia inlet pressure.

14. After each shutdown, if the pressure inside the system drops to zero and the device needs to be restarted, nitrogen should be filled and the system should be purged to remove any air that may enter the system.

15. The upper limit of the electric contact pressure gauge is set at 0.08MPa, and the lower limit is set at 0.03MPa. The electric contact pressure gauge is used for alarm. When the system pressure reaches 0.08MPa or less than 0.03Mpa, an alarm sound will be emitted. To ensure the working pressure of the system.

16. If even if the opening of the ammonia cylinder valve is increased, the flow rate cannot be increased, then the liquid ammonia in the ammonia cylinder has been used up, or the evaporation capacity of the ammonia cylinder is insufficient. If the evaporation capacity of the ammonia cylinder is insufficient, the vaporizer can be filled with water. The upper limit of the electric contact temperature gauge is set at 60 ℃, and the lower limit is set at 45 ℃. Then, turn on the power switch of the vaporizer. The vaporizer is working.

17. When the flowmeter has a malfunction, open the bypass valve, close the valve, and replace the flowmeter.

18. The furnace body temperature of this device is relatively high, please pay attention to the insulation protection of the wires

19. During operation, open and close each valve according to different working states to prevent operational errors and failure to meet purification requirements.

20. Under possible conditions, it is advisable to regularly check the gas purity to ensure the normal operation of the device and to deliver qualified and high-quality gas to the point of use.