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The shaftless screw conveyor is a screw conveying device without a central shaft design. The wear-resistant spiral blades rotate in the U-shaped groove or pipe to push the viscous, easy-to-wind or fiber-containing materials forward. As Shaftless screw conveyor manufacturers , we provide shaftless screw conveyors of different types, materials and angles.
In combination with customer needs, we provide three different types of conveyors made of stainless steel, carbon steel and plastic to meet the needs of different industries.
Stainless steel shaftless screw conveyor: The spiral blades and trough body are made of 304/316 stainless steel, which can be polished or sandblasted, and have strong anti-leakage ability. It is suitable for the transportation of kitchen waste and animal fats in the food industry.
Carbon steel shaftless screw conveyor: Optional galvanizing or wear-resistant coating, the sealing design uses packing seals or simple dust covers, and the cost is only 40%-60% of the stainless steel model. It has a strong load-bearing capacity and is suitable for conveying large particles such as concrete slag, sand and gravel aggregates.
Plastic shaftless screw conveyor: Made of PP material, with smooth and anti-stick surface, the material residue rate is 90% lower than that of metal models, 50% lighter, easy to install and move, and insulated and anti-static. Suitable for plastic particles, grain sugar powder in the light food industry, as well as lithium battery raw materials, graphite powder and other scenes that require anti-static.
Deeply cultivate the field of transportation, and overcome the winding problem with the core technology of shaftless! 304/316 stainless steel, carbon steel and other multiple materials are available.
Customizable: Our products can be customized according to your on-site conditions, material materials, and conveying requirements to make professional conveyor line solutions for you.
Strong and durable structural design: The shaftless screw body is made of high-quality stainless steel or carbon steel, and has been processed by special processing technology. It has sufficient strength and rigidity to ensure that it is not easy to deform or wear in long-term high-intensity work.
Diverse applicable materials: It can convey a variety of materials that are difficult to convey with traditional shaft screw conveyors and belt conveyors, including granular and powdery materials, wet and pasty materials, semi-fluid and viscous materials, easy-to-wind and easy-to-block materials, and materials with special hygiene requirements.
Flexible installation method: The standard type is ground-fixed horizontal installation or inclined installation. At the same time, it can also provide hanging type, ground and hanging mixed fixed inclined type, mobile type and other special installation methods according to user requirements.
As a source manufacturer, the following are feedback cases from our customers.
Sludge dewatering and conveying: In view of the frequent blockage and frequent maintenance of traditional shaft screw machines when handling sludge containing fiber impurities, a 400mm diameter 316 stainless steel U-trough shaftless screw conveyor is used, equipped with a frequency conversion speed regulation and high-pressure flushing system. After the transformation, the sludge conveying capacity is increased to 15m³/h, completely solving the blockage problem.
Food waste treatment: In order to deal with the difficulties of strong adhesion of wet waste, high residual rate of traditional equipment and the need to meet FDA hygiene standards, a food-grade 304 stainless steel fully enclosed tubular shaftless screw conveyor is selected, and CIP online cleaning and anti-corrosion coating are configured. The final material residual rate is reduced to less than 3%, and the cleaning time is shortened by 70%.
Highly corrosive waste transfer: In view of the difficulties of strong acid waste corrosive equipment and strict on-site explosion-proof requirements, a Teflon-lined shaftless screw conveyor is used and equipped with an explosion-proof motor to achieve 18 consecutive months without corrosion damage.
The shaftless screw conveyor can not only complete material transportation independently, but also work in conjunction with crushers, screening machines, mixers, packaging machines and other equipment to form an efficient and automated production line.
Shaftless screw conveyor + crusher: In the waste treatment and mining industries, this combination is used to transport materials such as food waste and ore to the crusher. The shaftless design prevents fiber winding and blockage, ensuring continuous feeding of the crusher.
Shaftless screw conveyor + screening machine: suitable for construction waste treatment and agricultural fields, conveying mixed waste, grains, etc. to the screening machine for separation and impurity removal. The classification pretreatment is achieved by screening first and then conveying, reducing ineffective energy consumption; the fully enclosed structure effectively avoids dust.
Shaftless screw conveyor + mixer: in feed production and chemical industry, it is responsible for conveying powder and raw materials to the mixer for mixing. The conveyor is linked with the weighing system to achieve accurate quantitative feeding; for high-viscosity materials, the shaftless screw can also be transported stably.
Shaftless screw conveyor + packaging machine: widely used in fertilizer and food industries, conveying granular fertilizers, seasoning powders and other materials to the packaging production line. The conveyor outlet is seamlessly connected with the packaging machine silo to reduce manual intervention; the smooth spiral blades ensure that there is no residue of the material to avoid waste.
The price of the shaftless screw conveyor starts from $2,200 (basic carbon steel model), and the specific cost fluctuates according to the configuration: stainless steel model, plastic model, and customized requirements can increase the cost by 15-30%. The selection needs to comprehensively consider the corrosion resistance of the material (the service life of stainless steel is 2-3 times that of carbon steel), intelligent configuration (frequency conversion speed regulation, etc.) and manufacturer services (warranty/design plan). $2,200 is the standard price. If you need it, please contact us for the latest price list.
With its unique design and excellent performance, the shaftless screw conveyor has become an ideal choice for conveying special materials in many industries. Choosing us as your supplier, you will be able to obtain tailor-made solutions to optimize your material conveying process and improve production efficiency and economic benefits.
NOTE: You can also send a message to us by this email sale@xxdahan.com, we will reply to you within 24 hours. Now tell us your needs, there will be more favorable prices!
