Because the nitrogen generator is a long-term equipment, regular maintenance can not only prolong the service life of the equipment, but also greatly reduce the production cost of users. The purpose of nitrogen generator maintenance is to prevent faults rather than eliminate faults. When maintaining nitrogen generator equipment, users should replace it in time according to the running time of spare parts. Do not maintain blindly to avoid unnecessary losses.

一、空气预处理系统

1、 Air pretreatment system

1、管道过滤器滤芯：每工作4000小时更换，或设备停滞超过6个月也须更换。

1. Filter element of pipeline filter: replace it every 4000 working hours or if the equipment stops for more than 6 months.

2、精过滤器滤芯：每工作4000小时更换，或设备停滞超过6个月也须更换。

2. Fine filter element: replace it every 4000 working hours or if the equipment stops for more than 6 months.

3、超精过滤器滤芯：每工作4000小时更换，或设备停滞超过6个月也须更换。

3. Ultra fine filter element: replace it every 4000 working hours or if the equipment stops for more than 6 months.

4、冷冻干燥机 ：a)、保持蒸发压力（R22）0.4~0.5MPa之间。b)、建议加装风管，定期清洁冷却器。c)、每日检查自动排水器，以免堵塞而失去排水作用。若堵塞时，可稍微打开手动阀门，关闭自排阀门再拆下自动排水器，分 解清洗。清洗自动排水器时，使用肥皂沫清洗即可。严禁使用汽油、甲苯、松香水等侵蚀性溶液。d)、每日检查气冷式冷凝冷却器之鳍片是否干净，以免因散热不好影响干燥机之效用与寿命。e)、气冷式：清洗冷凝冷却器（抽取式）滤网可用压缩空气喷枪喷洗。若严重堵塞，可用清洗药剂清洗，但不得使用会侵蚀铜管及鳍片之溶剂。

4. Freeze dryer: a) keep the evaporation pressure (R22) between 0.4 ~ 0.5MPa. b) It is recommended to install air duct and clean the cooler regularly. c) Check the automatic drainer every day to avoid blocking and losing the drainage function. If it is blocked, slightly open the manual valve, close the self drainage valve, and then remove the automatic drain for disassembly and cleaning. When cleaning the automatic drain, use soap foam to clean it. Strictly prohibit the use of gasoline, toluene, pine perfume and other corrosive solutions. d) Check whether the fins of the air-cooled condenser are clean every day to avoid affecting the utility and service life of the dryer due to poor heat dissipation. e) Air cooled: the filter screen of condensate cooler (extraction type) can be sprayed with compressed air spray gun. If it is seriously blocked, it can be cleaned with cleaning agent, but solvents that will corrode copper pipes and fins shall not be used.

水冷式干燥机：a)平时保持Y型水过滤器之清洁。b)必要时可拆开端板，以加长型软毛刷清洗。c)或联络原厂服务部协助保养。f)随时注意干燥机入口风量、温度及压力是否超过额定。

Water cooled dryer: a) keep the Y-type water filter clean at ordinary times. b) If necessary, the end plate can be disassembled for cleaning with extended soft bristle brush. c) Or contact the original service department to assist in maintenance. f) Always pay attention to whether the air volume, temperature and pressure at the inlet of the dryer exceed the rated value.

5、活性炭：每12个月更换。

5. Activated carbon: replace every 12 months.

6、自动排污阀：运行时要注意观察，如出现排污不正常现象要及时清洗或更换。

6. Automatic blowdown valve: pay attention to observation during operation. In case of abnormal blowdown, clean or replace it in time.

二、氧氮分离系统

2、 Oxygen nitrogen separation system

1、电磁阀：寿命约为2年。

1. Solenoid valve: the service life is about 2 years.

2、氧传感器：不同分析仪表的传感器使用寿命不一样，一般为一年或一年半。

2. Oxygen sensor: the service life of sensors of different analytical instruments is different, generally one year or one and a half years.

3、气动阀门密封件：寿命约为2年，使用寿命为150万次，为确保设备正常运行，建议用户一年更换。

3. Pneumatic valve seal: the service life is about 2 years and the service life is 1.5 million times. In order to ensure the normal operation of the equipment, it is recommended that the user replace it in one year.

4、粉尘过滤器滤芯：每18个月更换，每次加筛后更换。

4. Dust filter element: replace it every 18 months, and replace it after screening each time.

5、分子筛：气缸报警后添加，根据用户使用情况，建议用户一年添加一次。

5. Molecular sieve: added after the cylinder alarm. According to the user's use, it is recommended that the user add it once a year.

以上是关于制氮机保养更换哪些东西相关信息，了解更多请联系清越节能或者点击https://www.sdqyjn.com即可。

The above information is about the maintenance and replacement of nitrogen generator. For more information, please contact Qingyue energy saving or click https://www.sdqyjn.com Just.