We are a manufacturer of high quality environmental protection equipment in China.
Our company manufactures a range of spiral screw sludge dewatering machines, which have developed into various specifications and models to meet the different sludge treatment capacities and the diverse needs of our customers. The spiral screw sludge dewatering machine integrates an automatic control cabinet, sludge concentration and dewatering body, and a collection trough into one unit. It can achieve efficient flocculation and continuously complete the sludge concentration and pressing dehydration process under fully automatic operation, ultimately collecting the filtrate for recycling or discharge. It is suitable for applications in municipal wastewater treatment, aquaculture and slaughtering, hospital medical services, petroleum refining, brewing and leather making, printing and papermaking, coal chemical processing, bio-pharmaceuticals, steel pickling, chemical sugar manufacturing, and food processing.
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Yangzhou Qinxin Environmental Protection Technology Co., Ltd. is China Wastewater Sludge Dewatering Screw Press Manufacturers and Wholesale Screw Dewatering Press Factory. This is an enterprise that combines industry and trade and is committed to research and development, production, and sales of environmental protection equipment, Our company is mainly engaged in stacked screw sludge dewatering machines, PAM integrated dosing devices, sludge low-temperature drying systems, solid-liquid separators, other sewage treatment equipment, mainly serving municipal, food, petrochemical, aquaculture, papermaking, leather, brewing, printing and dyeing, chemical, pharmaceutical, medical and other industries. Adhering to many years of practical experience and research and development in the production of environmental protection equipment, the company is AAA-level contract-oriented and trustworthy and has obtained several patents and quality management system certifications, environmental management system certifications, and occupational health and safety management system certifications.
Our products have obtained, include EC-Type Examination Certificate, BV, MODE, DNV, GL Certificate, EC Attestation of Conformity, Certificate of Type Approval for Marine Product and Lloyd’s Register Quality Assurance.
27 Apr,2026
20 Apr,2026
13 Apr,2026
07 Apr,2026
Selecting the appropriate solid-liquid separation technology is a critical factor in the operational efficiency of wastewater treatment plants. The primary industry standards revolve around the Screw Sludge Dewatering Machine (Screw Press), the Belt Filter Press, and the Decanter Centrifuge. Yangzhou Qinxin Environmental Protection Technology Co., Ltd., an industry-and-trade integrated enterprise specializing in Screw Sludge Dewatering Machine systems, provides advanced environmental equipment to municipal, petrochemical, and food processing sectors. By evaluating energy consumption, maintenance requirements, and automation capabilities, Yangzhou Qinxin Environmental Protection Technology Co., Ltd. helps global suppliers optimize their sludge management workflows.
The following table illustrates the performance metrics of the Screw Sludge Dewatering Machine manufactured by Yangzhou Qinxin Environmental Protection Technology Co., Ltd. compared to traditional systems:
| Parameter | Screw Press (Qinxin) | Belt Filter Press | Decanter Centrifuge |
| Energy Consumption | Very Low (0.1 - 2.0 kWh) | Medium (1.5 - 5.0 kWh) | High (15 - 50 kWh) |
| Water Consumption | Very Low (Self-cleaning) | Very High (Belt Washing) | Low (Occasional flushing) |
| Noise Level | < 63 dB | Moderate | > 85 dB |
| Inlet Concentration | 2,000 mg/L - 50,000 mg/L | > 10,000 mg/L | > 10,000 mg/L |
| Oily Sludge Capability | Excellent (No clogging) | Poor (Blinds filter belts) | Good |
Yangzhou Qinxin Environmental Protection Technology Co., Ltd. is a dedicated enterprise committed to the research, development, and sales of high-end environmental protection equipment. The company's core product portfolio includes stacked screw sludge dewatering machines, PAM integrated dosing devices, and sludge low-temperature drying systems. Based in China and recognized as an AAA-level contract-oriented entity, the company has obtained multiple quality management and environmental system certifications. Yangzhou Qinxin Environmental Protection Technology Co., Ltd. maintains a strong technical force, serving diverse industries such as aquaculture, papermaking, pharmaceutical, and chemical printing and dyeing. Their annual production is largely exported to Southeast Asian countries, establishing the firm as a key supplier in the global sewage treatment market.
The Screw Sludge Dewatering Machine from Yangzhou Qinxin Environmental Protection Technology Co., Ltd. allows for a fully automated, 24-hour unmanned operation. Its ability to process low-concentration sludge directly from the aeration tank eliminates the need for a sludge thickening tank, reducing overall infrastructure investment.
Optimal flocculation is essential for dewatering. Yangzhou Qinxin Environmental Protection Technology Co., Ltd. offers integrated PAM dosing systems that synchronize with the dewatering machine to ensure precise polymer application, resulting in higher cake dryness and reduced chemical waste.
Industries with high sludge disposal costs, such as the chemical and pharmaceutical sectors, utilize the low-temperature drying systems of Yangzhou Qinxin Environmental Protection Technology Co., Ltd. to reduce the weight and volume of sludge by up to 80% after the initial dewatering stage.
Wholesale Sludge Screw Press Manufacturers
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