Screw Conveyor - Industrial Material Handling Solution
Professional Screw Conveyor for Drilling Waste Management
Shaanxi Xixian New District Zhongcheng Machinery Manufacturing Co., Ltd. delivers enterprise-grade ZC Screw Conveyor systems engineered for continuous, dust-free material transport in demanding industrial environments. It achieves a maximum single drive length of 15m with modular multi-stage combinations extending up to 30m, delivering capacities ranging from 15-45m³/h. Certified under ISO 9001/14001/45001 and approved by HSE, TÜV, and BV, this totally enclosed solution features anti-clogging design, flexible installation configurations, and minimal maintenance requirements. Trusted across drilling waste, sludge treatment, mining, chemical processing, and construction sectors worldwide, our systems combine proven reliability with competitive factory-direct pricing backed by comprehensive technical support.

Technical Specifications
| Model |
ZCLS(G)250×250-L |
ZCLS(G)315×315-L |
ZCLS(G)355×315-L |
ZCLS(G)400×355-L |
| Structure Form |
G - Tubular / U - U-Trough |
| Screw Diameter (mm) |
250 |
315 |
355 |
400 |
| Screw Pitch (mm) |
250 |
315 |
315 |
355 |
| Screw Length (m) |
2~20 |
| Screw Speed (rpm) |
≤90 |
≤80 |
≤75 |
≤71 |
| Motor Power (kW) |
7.5 |
11 |
11 |
15 |
| Conveying Capacity (t/h) |
≤25 |
≤32 |
≤40 |
≤50 |
| Theoretical Weight (kg) |
Subject to actual configuration |
| Dimension (mm) (L×W×H) |
340×400-L |
425×500-L |
480×550-L |
540×600-L |
Engineering Advantages You Can Trust
Dust-Free Enclosed Design
Your operational environment matters. Our fully sealed trough structure prevents material spillage, leakage, and odor diffusion during transport. This design significantly improves your wellsite safety while meeting stringent environmental compliance standards.
Premium Wear-Resistant Materials
We don't use standard carbon steel flights. Your Screw Conveyor features helical blades crafted from wear-resistant alloy steel or reinforced with hard-facing tungsten carbide. This extends service life by 3-5 times compared to conventional options.
For chemical, food, and pharmaceutical applications requiring corrosion resistance and material purity, we offer SS304 or SS316L stainless steel models with polished surfaces that prevent contamination.
High-Efficiency Drive System
You'll benefit from our single drive unit combining motor and reducer. This configuration delivers high torque with a simple structure, handling high-load starts effortlessly while reducing your maintenance complexity.
Modular Flexibility
Your site layout is unique. Our sectional modular design allows flexible length and angle adjustments, adapting seamlessly to various Drilling Waste Management Systems or production line configurations without costly modifications.

Safety Features That Protect Your Operations
Explosion-Proof Compliance
Operating in hazardous areas requires specialized protection. We provide power systems compliant with diverse industry standards. For oil drilling environments, your equipment features high-grade explosion-proof motors and control systems meeting Exd II BT4/CT4 specifications.
Emergency Protection Systems
Your safety comes first. Each U-shaped chute includes anti-slip covers and safety barriers. Pull-cord switches and emergency stop buttons ensure immediate shutdown capability during unexpected situations.
Overload Protection
You won't experience unexpected failures. Our systems support overload protection and emergency shut-off functions, ensuring safe operation even under extreme conditions in hazardous areas.

Application Across Multiple Industries
Drilling Waste Management
Your drilling operations generate substantial cuttings. Our Screw Conveyor connects shale shakers, cutting dryers, filter presses, and collection hoppers, creating an automated closed-loop system that eliminates manual handling while improving site cleanliness.
Wastewater Treatment
Dealing with stringy materials and dewatered sludge? Our shaftless design prevents center shaft wrapping, solving the clogging issues typical in hydraulic systems while maintaining continuous operation.
Chemical & Food Processing
You need hygienic material transport. Polished stainless steel models provide contamination-free handling for fine powders, pigments, and food-grade materials. CIP (Clean-In-Place) designs simplify sanitization between production runs.
Mining & Cement Industries
Transporting abrasive materials at high temperatures demands robust engineering. Heavy-duty reinforced flighting moves mineral ores or hot clinker exceeding 400°F, while the enclosed design protects your operators from extreme heat and hazardous dust.

Comprehensive Selection Guide
Determining Your Requirements
Assess Your Capacity Needs: Calculate based on screw diameter, pitch, and trough loading percentage (typically 15%, 30%, or 45% depending on material characteristics).
Measure Total Distance: Consider both horizontal runs and elevation changes to determine single-drive or modular multi-stage configurations.
Evaluate Material Properties: Wet, viscous cuttings require U-trough designs for easy cleaning. Dry powders and granules perform better in tubular configurations with tilt angles reaching 20°-45°.
Structural Configuration Options
Tubular Design: Fully enclosed with excellent pressure resistance. Minimal material residue makes this ideal for dry powders, cement, and barite powder applications requiring large-angle lifting.
U-Trough Design: Top cover opens easily for inspection and cleaning. Most commonly used in Solids Control Systems where wet, viscous cuttings accumulate and require frequent maintenance access.

Quality Control Standards
Rigorous Inspection Protocol
You receive equipment that meets exacting standards. Our quality control process includes:
Dynamic Balancing: Every screw assembly meets G2.5 standards, preventing vibration and premature bearing failure during operation.
Weld Integrity: Dye Penetrant Testing (DPT) or X-ray inspection on flight-to-pipe welds ensures they withstand torsional stress from heavy material loads.
Dimensional Accuracy: Precision laser alignment verifies pitch consistency and run-out tolerances throughout the assembly.
Material Certification: Mill Test Reports (MTRs) confirm chemical composition and hardness levels on Rockwell C scale for all flighting components.
No-Load Testing: Minimum 4-hour factory run-tests monitor decibel levels, bearing temperature rise, and drive-train torque efficiency before shipment.
Industry Compliance
Your projects demand recognized standards. Our manufacturing follows CEMA (Conveyor Equipment Manufacturers Association) guidelines, ensuring precise screw-to-trough clearance that minimizes material fallback and energy loss.
Frequently Asked Questions
Q: What differentiates shafted from shaftless designs?
A: Shafted conveyors offer higher structural rigidity for long spans and heavy loads. Shaftless models excel with sticky, viscous, or stringy materials that would clog a center pipe. Your material characteristics determine the optimal configuration.
Q: How do you calculate the correct capacity?
A: Capacity calculation considers screw diameter, pitch, rotational speed (RPM), and trough loading percentage. We'll help you determine specifications based on your material density and desired throughput.
Q: Can these conveyors handle vertical applications?
A: Yes. Specialized high-speed vertical units use centrifugal force to keep material against the wall, allowing 90-degree elevation when your layout requires vertical transport.
Q: How do you extend service life with abrasive materials?
A: We utilize hardsurfacing treatments like Tungsten Carbide spray or AR-steel flighting. For extremely abrasive applications, thickened edges and wear-resistant alloy construction extend operational life significantly.
Q: What causes conveyor failure and how do you prevent it?
A: Most failures result from excessive deflection due to improper hanger bearing spacing or torque spikes from material over-filling. Our CEMA-compliant design calculations prevent both issues through proper engineering.
Q: What maintenance does the system require?
A: Your maintenance needs remain minimal. Regular inspections of bearing temperature, drive belt tension, and blade wear constitute primary tasks. The enclosed design protects internal components from environmental contamination.
Customization & Technical Support
Tailored Solutions
You receive equipment matched to your specifications. We support customization of:
- Length and diameter configurations
- Material grades (carbon steel, stainless steel, wear-resistant alloys)
- Motor brands (domestic and international options)
- Protection levels for hazardous environments
- Special coatings and surface treatments
Comprehensive Service Package
Your project success matters. We provide:
- Engineering drawings and flowcharts
- Component diagrams and parts lists
- Operation and maintenance manuals
- One-year warranty coverage
- Industry-specific training and technical guidance
- Complete project solutions from experienced engineers
Fast Delivery Timeline
In-Stock Products: Shipping within 3 days of order confirmation.
Customized Orders: Delivery within 15 days, even for complex configurations.
Our efficient logistics network partners with major freight providers, offering convenient access to Tianjin and Shanghai ports for streamlined international shipping.

Contact Us
Ready to optimize your material handling process with Screw Conveyor? Contact our team at oliver@zcgukong.com for customized solutions, technical specifications, and competitive quotations for your next project.