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Common Questions and Answers on Sludge Dewatering Equipment
Q1: What is the promised moisture content of the sludge cake? What if it's not achieved?
A: Depending on the model and sludge properties, the screw press (stack machine) can typically reduce moisture content to around 80%, while the high-pressure diaphragm filter press can bring it down to below 60%. We recommend sending us your sludge samples for a free material test before purchasing. We will also clearly write the guaranteed clause "moisture content ≤ X%" in the formal contract to legally protect your rights.
Q2: Besides the machine price, is the later operating cost high?
A: We focus not only on the initial quotation but also on reducing the "comprehensive operating cost per ton of dry sludge" for you. Our equipment features energy-saving optimizations in both electricity and chemical consumption (e.g., the screw press runs at low speed, saving power and resisting wear). We can provide you with a detailed estimated table of energy and chemical consumption, giving you a clear idea of the long-term operating costs.
Q3: How should I choose between a screw press and a filter press?
A: It mainly depends on your sludge volume and final disposal requirements. If you have a medium sludge volume, desire high automation, and need clog resistance, the screw press is the first choice. If you require extremely high dryness of the sludge cake (e.g., for further incineration or resource utilization) and have sufficient space, then the high-pressure filter press is more suitable. You can tell us your sludge type, and we will recommend the most adapted solution for you.
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