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4-in-1 Pressing & Dewatering | Pressurized Flushing Self-Cleaning | Rotary Drum Grille | Municipal Sewage & MBR Process Pretreatment
Product Overview
The ZGGS Rotary Drum Grille Cleaner is an advanced solid-liquid separation device that integrates four essential functions: pollution interception, rake scraping, spiral lifting, and press dewatering. Featuring a rotary drum spiral design with a circular screen grille surface, this equipment can be installed directly in water channels at a 35° angle or within separate boxes. The system efficiently presses and dewaters intercepted slag during transmission, resulting in minimal waste volume, reduced pollution, improved working conditions, and significant disposal cost savings.
Technical Specifications
Key Feature
Specifications & Technical Indicators
Drum Diameter (mm)
600 - 3000 (e.g., ZG-600 to ZG-3000)
Installation Angle
35°
Max Water Level H3 (mm)
400 - 2100
Conveying Pipe Spec (mm)
219 - 710
Fine Grille Gap (mm)
2.0 - 5.0 (Wedge bars or perforated plates)
Ultra-Fine Mesh Size (mm)
0.50 - 2.0 (Stainless woven mesh for fibers)
Fixation Method
Expansion bolts (No embedded parts needed)
Key Advantages
4-in-1 Integration Saves Massive Costs: Combines salvaging, conveying, and press dewatering in one unit, saving significant footprint while producing dry, compacted slag that dramatically reduces waste disposal expenses.
35-Degree Angle & High-Flow Design: Optimal 35° angle with water flow enables separation of debris smaller than gap size. Cylindrical structure increases water flow capacity, minimizes head loss, and reduces accumulation compared to traditional grilles.
All-Stainless Steel & Ultra-Low Maintenance: All water-contact components are stainless steel with pickling and passivation treatment, ensuring exceptional corrosion resistance and long lifespan in municipal and most industrial waters. Rotation points require no lubrication.
Do we need to prepare embedded steel parts during civil construction to install this equipment?
No embedded parts are required. The equipment is secured to the channel exclusively using expansion bolts, ensuring convenient and fast installation.
Will the machine easily clog if the wastewater contains vast amounts of hair and textile fibers?
No, it is specifically designed to handle such conditions. The ultra-fine rotary drum grille utilizes stainless steel woven mesh (0.50-2.0mm hole diameter) combined with >7bar flushing pressure, effectively intercepting fibers and hair while maintaining clear mesh operation.
What processes and industries is this rotary grille primarily used for?
Extensively applied in activated sludge processes, MBR processes, BAF processes, and sludge return systems of municipal wastewater treatment plants. Also ideal for pre-treatment of industrial wastewater in papermaking, textile, and food processing sectors.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2001
Total Annual:
40000000-70000000
Employee Number:
80~100
Ecer Certification：
Verified Supplier
Nanjing Lanjiang is a professional manufacturer integrating the design, research and development, production, and sales of wastewater treatment equipment. The company is located at No.18 Xinyu Road, Hengliang Street, Liuhe District, in the northern suburbs of Nanjing (adjacent to the Ningtong Expres... Nanjing Lanjiang is a professional manufacturer integrating the design, research and development, production, and sales of wastewater treatment equipment. The company is located at No.18 Xinyu Road, Hengliang Street, Liuhe District, in the northern suburbs of Nanjing (adjacent to the Ningtong Expres...
