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 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 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 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 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.
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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