We are a manufacturer of high quality environmental protection equipment in China.
The working principle of this equipment consists of a cover, drum assembly, collection tank, transmission device, flushing device, slag plate, and frame, among other components. When the drum filter operates, the reducer drives the grid frame to rotate. The floating matter in the wastewater is filtered and intercepted on the grid screen and then transferred to the slag plate by the rotating grid frame where the slag falls off. At the same time, the flushing device is used to backwash the grid surface, and the washed slag falls onto the slag plate, sliding into a garbage cart or conveyor for external transportation. The mesh cylinder rotates under the drive of the transmission device, and the wastewater enters the distribution trough from the inlet pipe, then evenly overflows from the outlet. The solid substances in the wastewater that fall on the outer wall of the rotating mesh cylinder are intercepted by the mesh screen, while the water flows out through the mesh gaps into the collection pool. The solid substances intercepted by the mesh cylinder are automatically removed from the outer wall of the screen by the scraper machine. The continuous rotation of the mesh cylinder allows the solid substances attached to the outer wall of the screen to quickly separate from the cylinder, thereby improving production efficiency. The backwashing system consists of flushing pipelines and nozzles. High-pressure water is sprayed onto the mesh cylinder at high speed in a fan shape through the nozzles, quickly washing away the solid substances attached to the mesh cylinder to form a continuous, unobstructed filtration area. This filtration equipment is characterized by high efficiency, large processing capacity, and fine filtration.
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Yangzhou Qinxin Environmental Protection Technology Co., Ltd. is China Drum Filter Manufacturers and Wholesale Drum Filter 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
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07 Apr,2026
In modern decentralized and industrial wastewater treatment, the mechanical pre-treatment provided by a Drum Filter is essential for optimizing subsequent biological processes. By removing suspended solids (TSS) and organic particulate matter before they reach the bio-reactor, the Drum Filter ensures that biological media remains unclogged and aerobic bacteria operate at peak efficiency. Yangzhou Qinxin Environmental Protection Technology Co., Ltd., an industry-and-trade integrated enterprise, specializes in high-end sewage treatment equipment, including Drum Filter systems and solid-liquid separators, designed to create a stable operational environment for complex water treatment cycles.
Biological filtration systems, such as MBBR (Moving Bed Biofilm Reactor) or trickling filters, rely on microorganisms attached to media to break down dissolved pollutants. The synergy between mechanical and biological stages offers several key technical benefits:
Yangzhou Qinxin Environmental Protection Technology Co., Ltd. applies years of R&D experience to provide high-precision filtration solutions that outperform traditional sedimentation methods in both footprint and efficiency.
| Feature | Traditional Settling Tank | Drum Filter (Qinxin Series) |
| Footprint | Large (Requires significant land) | Compact (Modular design) |
| Filtration Precision | Gravity-dependent (Variable) | 10μm - 100μm (Fixed Screen) |
| Maintenance | Manual sludge removal | Automatic backwash system |
| System Stability | Affected by hydraulic surges | High and stable quality |
Yangzhou Qinxin Environmental Protection Technology Co., Ltd. is committed to the research, development, and global sales of environmental protection equipment. The company's diverse product line 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 enterprise, Yangzhou Qinxin Environmental Protection Technology Co., Ltd. serves a multitude of industries including aquaculture, brewing, leather, and petrochemicals. With multiple patents and international management system certifications (ISO), the company has established itself as an important supplier for Southeast Asian markets, delivering advanced technical force and service awareness to the high-end market.
The Drum Filter systems engineered by Yangzhou Qinxin Environmental Protection Technology Co., Ltd. use water-level sensors to trigger backwashing only when the screen is obstructed. This precision control minimizes the consumption of rinse water compared to continuous wash systems.
By using a drum filter as a primary stage, the initial water content and particle size are standardized. This allows subsequent equipment, such as the sludge low-temperature drying systems of Yangzhou Qinxin Environmental Protection Technology Co., Ltd., to operate with a more consistent feedstock, improving thermal efficiency.
Yes. Yangzhou Qinxin Environmental Protection Technology Co., Ltd. utilizes corrosion-resistant materials (such as SS316L or reinforced polymers) to ensure that the drum filter and solid-liquid separator units maintain high and stable quality in corrosive industrial or marine aquaculture environments.
Wholesale Drum Filter Manufacturers
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