污泥沉积池罩是污泥沉积池的重要部件。
The cover is an important component of the sludge aggradation tank.
城市污泥是城市污水处理厂经各级处理净化污水而产生的沉积物，主要来自初沉池和剩余污泥的排放。
Sewage sludge which mainly comes from the primary settling tank and discharge of surplus sludge is the deposit produced in each operating unit in municipal wastewater treatment plant.
酸的贮槽也应该集中于厂房附近，以尽量减少在长管线中沉积污泥和疤垢。
Acid storage tank should also be clustered nearby to minimize sludge and scale formation in long lines.
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