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Custom Multi-disk Double Worm Gear Eco-friendly Spiral Screw Sludge Dewatering Machine QXDL-302

Home / Product / Screw Press Sludge Dewatering Machine / Multi-disk Double Worm Gear Eco-friendly Spiral Screw Sludge Dewatering Machine QXDL-302
  • Multi-disk Double Worm Gear Eco-friendly Spiral Screw Sludge Dewatering Machine QXDL-302
  • Multi-disk Double Worm Gear Eco-friendly Spiral Screw Sludge Dewatering Machine QXDL-302
  • Multi-disk Double Worm Gear Eco-friendly Spiral Screw Sludge Dewatering Machine QXDL-302
  • Multi-disk Double Worm Gear Eco-friendly Spiral Screw Sludge Dewatering Machine QXDL-302

Multi-disk Double Worm Gear Eco-friendly Spiral Screw Sludge Dewatering Machine QXDL-302

Multi-disk Double Worm Gear Eco-friendly Spiral Screw Sludge Dewatering Machine is an efficient and environmentally friendly sludge dewatering equipment, which is widely used in municipal, industrial, pharmaceutical, food, chemical and other industries. It adopts a multi-disk spiral structure, through the low-speed rotation of the spiral shaft, the sludge is gradually squeezed and dehydrated, effectively avoiding blockage, and is especially suitable for treating oily sludge. The equipment has a compact design, small footprint, easy operation, can achieve 24-hour full-automatic operation, and has low maintenance costs.

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QXDL-302 Multi-disk Double Worm Gear
Eco-friendly Spiral Screw Sludge Dewatering
Multi-disk Double Worm Gear Eco-friendly Spiral Screw Sludge Dewatering Machine
60-120 kg/h Dry Sludge Capacity
2.05 kW Total Power
1260 kg Machine Weight
3500 mm Overall Length
1300 mm Width

The Multi-disk Double Worm Gear Eco-friendly Spiral Screw Sludge Dewatering Machine QXDL-302 represents an advanced dewatering solution incorporating a dual-worm gear drive system for enhanced torque transmission and operational stability. The multi-disk configuration utilizes a series of independently movable laminating rings arranged along the spiral shaft, creating a highly efficient dewatering zone. As sludge progresses through the screw, the progressive reduction in pitch volume generates compression forces up to 0.7 MPa. The double worm gear mechanism ensures balanced power distribution across the drive train, reducing mechanical stress and extending component life. This design achieves continuous automatic operation with minimal energy consumption while producing dewatered cake with solids content ranging from 22 to 30 percent.

❶
Multi-disk Ring Assembly
Independent moving rings driven by spiral friction create differential motion against fixed rings. This multi-disk configuration increases filtration surface area by 40 percent compared to single-ring designs, improving dewatering efficiency.
❷
Double Worm Gear Drive
Dual-worm gear system provides balanced torque distribution with 30 percent higher load capacity than conventional single-drive configurations. Reduces backlash and ensures smooth operation even under variable feed conditions.
❸
Progressive Compression Zone
Multi-stage compression with pitch reduction from 140mm to 50mm over the screw length generates incremental pressure, achieving optimal cake dryness while maintaining low shear on flocculated particles.
❹
Self-adaptive Torque Control
Integrated torque monitoring system automatically adjusts feed rate and back-pressure cone position. Prevents overload conditions and maintains stable cake dryness across fluctuating feed concentrations.
Technical Specifications
Equipment ModelQXDL-302
Dry Sludge Capacity60-120 kg/h
Dimensions (L×W×H)3500 × 1300 × 1700 mm
Machine Weight1260 kg
Total Power2.05 kW
Screw Speed Range1.5-5 RPM
Max Back-pressure0.7 MPa
Materials of ConstructionSS304 / SS316L
Drive SystemDouble worm gear with VFD
Application Fields
Municipal sludge thickening and dewatering Food and beverage processing waste Pharmaceutical fermentation residues Chemical industry sludge Pulp and paper mill effluent Biogas plant digestate Leather tanning wastewater
Operational Sequence
①
Inlet Feed
Sludge enters via DN150 flange with optional flocculation port
→
②
Thickening Zone
Gravity drainage through multi-disk rings, solids concentration increases to 6-10%
→
③
Compression Stage
Multi-stage pressure increase from 0.2 to 0.7 MPa
→
④
Cake Discharge
Dewatered cake exits through adjustable cone, 22-30% dry solids
Field Diagnostics & Solutions
Reduced throughput below 60 kg/h
Check feed sludge concentration — minimum 1.5 percent solids required. Inspect inlet for bridging. Verify polymer dosing rate and mixing efficiency. Adjust VFD speed to optimize feed rate.
Excessive vibration or noise
Inspect double worm gear alignment. Check ring stack for foreign objects. Verify drive chain tension and lubrication. Run cleaning cycle for 10 minutes at reduced speed to dislodge accumulated material.
Filtrate quality degradation
Examine ring gaps for wear beyond 0.3mm. Clean backwash spray nozzles. Verify ring stack compression and replace worn segments. Adjust back-pressure cone to optimize filtration.
Frequently Asked Questions
What is the advantage of the double worm gear drive system?
The double worm gear configuration provides balanced torque distribution across the drive train, reducing mechanical stress on individual components by 30 percent compared to single-drive systems. This design enables higher torque capacity (up to 2.05 kW) while maintaining smooth operation with reduced backlash. The dual-worm arrangement also allows for more compact installation and simplified maintenance access.
How does the multi-disk design improve dewatering performance?
The multi-disk configuration employs multiple independently movable rings along the spiral shaft, creating a larger effective filtration surface area. This design increases the dewatering zone by 40 percent compared to standard ring arrangements. The independent movement of each disk allows for better adaptation to varying sludge characteristics and prevents localized clogging, resulting in more consistent cake dryness and higher throughput capacity.
What maintenance intervals are recommended for the QXDL-302?
Standard maintenance includes daily visual inspection of filtrate clarity and cake consistency. Weekly inspection of ring stack integrity and lubrication of drive components. Monthly verification of torque limiter calibration and inspection of mechanical seals. Annual overhaul includes replacement of ring segments and inspection of worm gear wear patterns. Under normal operating conditions, major component replacement intervals exceed 20,000 hours.
Yangzhou Qinxin Environmental Protection Technology Co., Ltd.
Industry and trade integration · AAA contract-oriented · ISO 9001 / 14001 / 45001 · Global export to Southeast Asia

Equipment Model

 QXDL-302

Dry Sludge Treatment Capacity

60-120 Kg/h

Equipment Dimensions

 L3500mm × W1300mm × H1700mm

Machine Weight

 1260kg

Total Power Consumption

2.05 kW
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Yangzhou Qinxin Environmental Protection Technology Co., Ltd.

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    Honorary Certificate

Yangzhou Qinxin Environmental Protection Technology Co., Ltd. is China Custom Multi-disk Double Worm Gear Eco-friendly Spiral Screw Sludge Dewatering Machine QXDL-302 Suppliers and Multi-disk Double Worm Gear Eco-friendly Spiral Screw Sludge Dewatering Machine QXDL-302 Company. 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 Multi-disk Double Worm Gear Eco-friendly Spiral Screw Sludge Dewatering Machine QXDL-302, 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 a number of patents and quality management system certifications, environmental management system certifications, and occupational health and safety management system certifications.

HONOR & CERTIFICATE

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.

  • Environmental Management System Certificate
  • Environmental Management System Certificate
  • Quality Management System Certificate
  • Quality Management System Certificate
  • Occupational Health & Safety Management System Certificate
  • Occupational Health & Safety Management System Certificate
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