We are a manufacturer of high quality environmental protection equipment in China.
Sewage Treatment Equipment is commonly used for industrial, commercial and residential wastewater treatment. Common sewage treatment equipment includes primary sedimentation tanks, activated sludge reactors, sand filters, membrane filtration devices, etc. These devices remove suspended solids, dissolved organic matter, and harmful bacteria and viruses from wastewater through a combination of physical, chemical and biological processes. We are an industrial and trade-integrated enterprise dedicated to the research, development, production and sales of environmental protection equipment. Our company mainly deals in sewage treatment equipment such as spiral sludge dewatering machines, PAM integrated dosing devices, sludge low-temperature drying systems, solid-liquid separators, etc.
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Yangzhou Qinxin Environmental Protection Technology Co., Ltd. is China Sewage Treatment Equipment Manufacturers and Wholesale Sewage Treatment Equipment 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
In the modern landscape of wastewater management, energy efficiency is a primary driver for operational sustainability. The Dewatering Screw Press Machine has emerged as a disruptive technology due to its significantly lower power consumption compared to traditional mechanical separation methods. Yangzhou Qinxin Environmental Protection Technology Co., Ltd., a high-end integrated industry and trade enterprise, specializes in the development of Dewatering Screw Press Machine systems. By utilizing a low-speed mechanical compression principle, Yangzhou Qinxin Environmental Protection Technology Co., Ltd. provides solutions that reduce carbon footprints across municipal, petrochemical, and pharmaceutical industries.
Energy efficiency in sludge dewatering is measured by the kilowatt-hours (kWh) required to process one ton of dry solids or per unit of sludge volume. The three primary technologies differ vastly in their mechanical approach:
Yangzhou Qinxin Environmental Protection Technology Co., Ltd. manufactures equipment that adheres to strict AAA-level contract-oriented standards. Below is a comparison of typical energy and resource metrics:
| Metric | Screw Press (Qinxin) | Belt Filter Press | Decanter Centrifuge |
| Operating Speed | 2 - 5 RPM | 1 - 10 m/min (Belt) | 2,500 - 4,000 RPM |
| Power Consumption | 0.1 - 2.0 kWh/m³ | 1.5 - 4.5 kWh/m³ | 15.0 - 45.0 kWh/m³ |
| Wash Water Usage | Very Low (Self-cleaning) | Very High (Continuous) | Low (Intermittent) |
| Maintenance Frequency | Low (Long component life) | High (Belt wear/alignment) | Moderate (Bearing/seal wear) |
| Automated Operation | 24h Unmanned Support | Requires Monitoring | Fully Automated |
Yangzhou Qinxin Environmental Protection Technology Co., Ltd. is a leading supplier of environmental protection equipment, committed to R&D and global sales. The company specializes in stacked screw sludge dewatering machines, PAM integrated dosing devices, and sludge low-temperature drying systems. Serving industries ranging from brewing and printing to medical and aquaculture, the company is recognized for its strong technical force and advanced service awareness. As an important supplier in Southeast Asian markets, Yangzhou Qinxin Environmental Protection Technology Co., Ltd. holds numerous patents and certifications, including ISO quality and environmental management systems, ensuring that every solid-liquid separator and sewage treatment unit meets high-end market expectations.
The Dewatering Screw Press Machine produced by Yangzhou Qinxin Environmental Protection Technology Co., Ltd. experiences significantly less mechanical wear than high-speed centrifuges. Lower RPM means reduced friction and vibration, extending the service life of the screw shaft and ring sets while maintaining high stable quality.
Yes. Traditional belt presses often clog when handling oily sludge from food or petrochemical industries, requiring more wash water and power. The self-cleaning mechanism of Yangzhou Qinxin Environmental Protection Technology Co., Ltd.'s screw press ensures continuous operation without the need for high-pressure cleaning cycles.
Precise flocculation is key to energy efficiency. By integrating a PAM integrated dosing device, Yangzhou Qinxin Environmental Protection Technology Co., Ltd. ensures that the sludge reaches the ideal consistency before entering the press, maximizing water removal while minimizing the mechanical load on the motor.
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