double-shaft screw conveyor-Henan Keming Machinery Equipment Co., Ltd.

Twin-shaft Screw Conveyor Technical Parameters

Advantages

High Efficiency & Stable Operation

Adopting a counter-rotating double-shaft structure, the equipment realizes two-way material pushing and full stirring with fewer dead angles. It delivers improved conveying efficiency compared with traditional single-shaft conveyors, supporting high-flow, long-distance and continuous industrial production. Equipped with a variable-frequency speed regulation system, it achieves precise flow control and perfectly adapts to automated production lines with stable and low-noise operation.

Strong Versatility & Wide Material Compatibility

Integrating conveying, stirring, mixing and light crushing functions, it realizes multi-purpose use without auxiliary equipment. It is suitable for dry powder, granular, wet, viscous and fibrous materials. Dual structural designs (double-shafted and double-shaftless) and multiple material options (carbon steel, stainless steel, wear-resistant manganese steel) are available to adapt to conventional, corrosive, high-temperature and easy-to-entangle working conditions.

Fully Enclosed & Eco-Friendly

Featuring a fully enclosed trough and sealed end cover structure, the machine causes no dust overflow or material leakage during operation. It reduces material waste and workshop environmental pollution, complying with international industrial environmental protection standards and suitable for clean production scenarios such as chemical industry, building materials, food processing and environmental dust removal.

Durable Structure & Low Maintenance Cost

Built with thickened plates and seamless spiral shafts, and equipped with high-quality reducers and explosion-proof motors, the equipment is sturdy, wear-resistant, low in failure rate and long in service life. The modular design simplifies disassembly, inspection and replacement of wearing parts. It features easy daily maintenance, helping reduce long-term equipment procurement and operation costs.

Applicable Industries

Environmental Protection & Solid Waste Industry

It is suitable for conveying and stirring mixing of sludge, domestic waste auxiliary materials, kitchen waste residue, fly ash, desulfurization and denitrification powder. Widely applied in sewage treatment plants, waste incineration plants and environmental protection dust removal supporting production lines. The good sealing performance reduces dust overflow during operation.

Building Material & Cement Industry

Adaptable for conveying and batching of cement powder, fly ash, lime powder, fine sand and stone materials, gypsum powder and other building materials. Commonly used in cement plants, mixing stations and new building material production lines to realize uniform material feeding and assist stable operation of production lines.

Chemical Powder Industry

Applicable for conveying and mixing of various chemical powder materials, granular raw materials and viscous chemical auxiliary materials. It supports chemical production, powder processing and raw material proportioning processes. Stainless steel models fit for partial corrosive material processing scenarios.

Grain, Agriculture & Animal Husbandry Industry

Capable of conveying grains, wheat, corn, feed pellets, organic fertilizer raw materials and other materials. Applied in grain storage, feed processing and organic fertilizer production lines. The stable operation reduces the probability of material crushing.

Mining & Metallurgy Industry

Suitable for conveying fine ore powder, slag powder, metallurgical auxiliary particles and other industrial materials, widely used in mineral processing, metallurgical processing and tailings treatment working conditions. Thickened wear-resistant models adapt to heavy-duty continuous operation scenarios.

Applicable Materials

Dry Powder Materials

It has good adaptability to various dry, loose and non-viscous powder materials, including cement powder, fly ash, lime powder, mineral powder, starch, chemical dry powder and dust removal ash. The materials feature stable fluidity and no caking during conveying, realizing continuous and uniform feeding for various powder processing procedures.

Granular & Small Block Materials

Suitable for granular and small block materials with uniform particle size and moderate hardness, such as grain particles, feed pellets, fine sand and stone, small ore particles and chemical granular raw materials. The double-shaft structure pushes materials stably and reduces material jamming and accumulation.

Damp, Viscous & Fibrous Materials

With the counter-rotating double-shaft stirring structure, it can handle damp, slightly viscous and fibrous materials that are difficult for ordinary single-shaft equipment, including municipal sludge, kitchen residue, wet soil, fiber debris and fermented organic fertilizer raw materials. It improves material entanglement and blockage conditions and meets the conveying demands of complex materials.

Application Scope & Precautions

Scope of Application: The double-shaft screw conveyor is widely used in environmental protection, building materials, chemical, agriculture, animal husbandry, mining and metallurgy industries. It can stably convey powder, granular, damp, viscous and fibrous materials, and integrate conveying, stirring and mixing functions to adapt to various conventional and complex material handling conditions. Precautions: Standard installation and commissioning and uniform feeding are required before operation. It is necessary to control material humidity and feeding speed strictly, avoid overloaded operation and foreign matter entering the machine, and conduct regular lubrication, inspection and cleaning to ensure long-term stable equipment operation.

Frequently Asked Questions

Q1: What to do if material blockage occurs?

Stop the machine and cut off the power immediately, clean accumulated materials. Blockage is mainly caused by excessive material humidity, fast feeding speed or excessive inclination. Adjust feeding volume and conveying inclination, and select shaftless models for viscous materials to effectively improve blockage conditions.

Q2: Why is the actual conveying capacity lower than rated parameter?

Check for material caking, blade wear and low speed; confirm air leakage and uneven feeding. Improve conveying capacity by adjusting frequency speed, replacing worn blades and optimizing feeding mode.

Q3: How to solve abnormal noise and excessive vibration?

It is usually caused by loose fasteners, lack of bearing lubrication, asynchronous double shafts or stuck materials. Fasten bolts, supplement lubricating oil, adjust gear gap and clean stuck materials to restore normal operation.

Q4: How to deal with dust and material leakage?

Leakage is caused by aging seals, loose end covers and large splicing gaps. Replace sealing strips, fasten end cover bolts and fill gaps to restore tightness.

Q5: How to choose between double-shafted and double-shaftless models?

Double-shafted models feature strong bearing capacity and stable conveying for dry, loose and non-entangled materials. Double-shaftless models have no central shaft, preventing entanglement and blockage, suitable for viscous, fibrous and damp impurity-containing materials.

Twin-shaft Screw Conveyor

Advantages

Applicable Industries

Applicable Materials

Application Scope & Precautions

Frequently Asked Questions

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