Large-Scale Helical Screw Assembly for Chemical Industry

Product Overview

Jiahe Conveying's Large-Scale Helical Screw Assembly is a heavy-duty industrial conveying solution specifically engineered for demanding chemical processing applications. These robust screw systems are designed to handle corrosive, abrasive, and high-temperature materials with exceptional reliability in continuous operation environments.

Technical Specifications

Design Features

1. Chemical-Resistant Construction

• Monolithic alloy fabrication for integrity

• Non-reactive surface finishes (Ra ≤ 0.8μm)

• Isolating liners for ultra-corrosive media

2. Heavy-Duty Engineering

• Torque-rated shafts (up to 250kNm)

• Reinforced flight attachments

• Supported bearing design for long spans

3. Process-Specific Enhancements

• Explosion-proof construction (ATEX/IECEx)

• Thermal expansion compensation

• Leak-proof sealing systems

Performance Characteristics

• Material Handling Capacity: 5-200 m³/h

• Abrasion Resistance: <0.5mm/1000h in severe service

• Power Efficiency: 15-30% improvement over conventional designs

• Maintenance Interval: >20,000 operational hours

Chemical Process Applications

Bulk Chemical Handling

• Polymer pellets conveying

• Catalyst transfer systems

• Fertilizer production lines

Specialty Chemical Processing

• High-purity material transport

• Hazardous compound handling

• Extreme pH material systems

Waste Treatment

• Sludge dewatering

• Byproduct recovery

• Effluent handling

Customization Options

• Material Grade Selection: Super duplex/Titanium/Nickel alloys

• Special Surface Treatments: Electropolishing/HVOF coatings

• Heating/Cooling Jackets: Steam/Thermal oil/electric

• Smart Monitoring: Vibration/temperature/strain sensors

• Explosion Protection: Pressurization/spark-resistant

Quality & Compliance

• PED 2014/68/EU Certification

• ASME BPE Compliance

• NACE MR0175/MR0103

• Material Traceability (EN 10204 3.2)

• Non-Destructive Testing (PT/RT/UT)

Why Choose Our Chemical Screw Assemblies?

✔ Proven reliability in aggressive chemical environments
✔ Engineered solutions for extreme process conditions
✔ Lifecycle cost optimization through durable design
✔ Technical support from chemical process specialists

Contact our chemical industry engineering team for process-specific solutions!