① The drainage standard of the pre-treatment water sealed well is that when the liquid level reaches 20-50cm at the pool mouth, the water will be drained until the top of the submersible pump is exposed, and the drainage will be stopped irregularly.

②废水井排水，在液下泵无自动情况下，液位到达池口20-50cm时进行排水，排至潜水泵露出顶部停止排水，排水不定期；目前液下泵自动运行，关液下泵运行状况即可。

② The waste water well shall be drained when the liquid level reaches 20-50cm at the pool mouth when the submerged pump is not automatic. The drainage shall be stopped when the submersible pump is exposed to the top. The drainage shall be irregular; At present, the submerged pump operates automatically, and the operation status of the submerged pump can be turned off.

③洗涤塔运行中液位到达400m进行补水，补至800m后，停止补水，开关水阅即可洗涤塔补水期间严禁人员离开，补水结束后方可离开，以免发生洗涤塔高液位，水倒罐至沼气管道，造成水培

③ Make up water when the liquid level of the washing tower reaches 400m during operation. Stop making up water when the liquid level reaches 800m. No one is allowed to leave the washing tower after the water is switched on and off. Do not leave until the water is made up, so as to avoid high liquid level of the washing tower. The water is poured into the biogas pipeline, resulting in hydroponics

④气柜水封井在液位到达潜水泵四分之三处，进行排水，闭合AA1配电柜中QF119，启动水泵，液位到达潜水泵露出三分之二，拉下QF119，停止排水。

④ When the liquid level of the water seal well of the gas holder reaches three-quarters of the submersible pump, drain the water, close qf119 in the Aa1 distribution cabinet, start the water pump, when the liquid level reaches two-thirds of the submersible pump, pull down qf119 and stop draining.

⑤再生池补排水、补水：开启再生池补水手阀，再开启软化水总即可，待液位补至目标液位时，先关闭软化水总阀，再关闭再生池补水阀，排水：开启老沉淀池进料阀，开启循环泵到老沉淀池手阀，开度50%以下开度超过50%会影响喷淋流量，造成塔内吸收效果变差，出口硫化氢超标，排至目标液位依次关闭相应手阀即。

⑤ Make up water and water in the regeneration tank: open the make-up water valve in the regeneration tank, and then open the demineralized water main valve. When the liquid level reaches the target liquid level, close the softened water main valve first, and then close the make-up water valve in the regeneration tank. Drainage: open the feed valve in the old sedimentation tank, and open the hand valve from the circulating pump to the old sedimentation tank. If the opening is less than 50%, the spray flow will be affected, resulting in poor absorption effect in the tower and excessive hydrogen sulfide at the outlet, Discharge to the target liquid level and close the corresponding hand valve in turn.

注：水封井液位每日巡检一次即可，雨雪天气，变大巡检频率，以免水封井液位过高，造成气路水堵，导致气柜丧失缓冲能力。

Note: the liquid level of the water sealed well can be inspected once a day. In rainy and snowy weather, the inspection frequency should be increased to prevent the high liquid level of the water sealed well from causing water blockage in the gas path and loss of buffer capacity of the gas holder.

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