Precautions for startup and shutdown of biogas desulfurization pump and fan:

1.水泵开停方法及注意事项：

1. Starting and stopping methods and precautions of water pump:

运行前检查 ： 先用手盘动联轴器或轴 ， 检查转向是否正确 。 运转是否灵活。如盘不动或有异声，应及时检查处理。

Inspection before operation: turn the coupling or shaft by hand to check whether the steering is correct. Whether the operation is flexible. If the disc does not move or there is abnormal sound, it shall be checked and handled in time.

水泵启动 ： 打开泵进口阀 ， 将泵内灌满液体以排除空气 。 接通电源启动 ， 注意电流 ， 根据压力表指示 ， 打开出口阀投运 。 运行中若有异声和电机发热等不正常情况，应立即停泵检查。

Pump start: open the pump inlet valve and fill the pump with liquid to remove air. Turn on the power and start, pay attention to the current, and open the outlet valve for operation according to the indication of the pressure gauge. In case of abnormal conditions such as abnormal sound and motor heating during operation, stop the pump immediately for inspection.

停车：先关闭出口阀，再切断电源并及时关闭进口阀。

Shutdown: first close the outlet valve, then cut off the power supply and close the inlet valve in time.

2. 风机启停注意事项：

2. Precautions for fan startup and shutdown:

风机运行前需要检查润滑油或者润滑脂是否满足厂家要求 ，手动盘车能够灵活转动。氧化风机在运行过程中需要根据运行情况 ，调整相关参数指标以满足生产要求。风冷器冷却风扇可根据当地气候变化调整运行状态。

Before the operation of the fan, check whether the lubricating oil or grease meets the requirements of the manufacturer, and the manual turning gear can rotate flexibly. During the operation of oxidation fan, relevant parameters and indexes need to be adjusted according to the operation conditions to meet the production requirements. The cooling fan of air cooler can adjust the operation state according to the local climate change.

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