Screw Conveyor

RICHI screw conveyor delivers high-efficiency transport for large-angle and short-distance requirements. Its robust sealed design ensures precise dust-free movement of powders and granules while serving as an ideal feeder for mixers and pelleting units.

Product Overview

The screw conveyor fits various grain mills and feed production lines for efficient material transport. It uses a rotating spiral blade to run 24/7 under heavy loads. Maintenance is easy due to its simple, modular structure and durable casing. The machine processes powders, granules, and small blocks into a steady flow for different processing stages. It ensures precise feeding and tight sealing, creating a dust-free environment to improve overall efficiency.

Capacity: 10-80 T/H

Power: 2.2-3 kW

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Technical Structure

PICHI screw conveyor combines advanced spiral technology with a robust structural design to ensure seamless material transport and exceptional operational efficiency. The precision-engineered internal components work in harmony to provide consistent performance across various industrial applications.

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Thickened Screw Blade

This part uses 1.5mm thickened wear-resistant blades to push the raw materials forward during rotation. Operators can choose between left-hand or right-hand rotation styles based on the specific direction of the material flow. The blades attach firmly to the central shaft to maintain a consistent and smooth movement throughout the entire tube.

This solid mechanical design handles various powder or granular ingredients without any internal slippage or material buildup.

Seamless Steel Pipe

The main body of the screw conveyor consists of high-strength seamless steel pipes to create a completely closed conveying environment. This tubular structure seals the material inside to prevent any dust particles from leaking into the factory air.

Each pipe section connects tightly to ensure a stable path for the internal screw shaft during high-speed work. The smooth internal surface of the pipe reduces friction between the raw materials and the outer metal casing.

Brass Hanging Bearing

This machine uses brass or oil-impregnated bearings to support the long screw shaft at regular intervals. These specialized bearings hold the shaft in the center of the pipe to maintain a balanced and steady rotation. The lubrication points remain accessible from the outside to allow for quick oiling without opening the entire machine.

This simple mechanical layout supports the shaft weight effectively while keeping the movement quiet and stable every day.

Integrated Drive Device

An electric motor and a gear reducer provide the necessary torque to turn the internal screw shaft. Models TLSS32 and TLSS40 use specialized bolts to connect the pipe shaft and the drive unit directly. This design allows you to dismantle the screw shaft easily without removing any of the hanging bearings first.

The drive unit mounts at the head of the machine to ensure a reliable power supply for the conveying task.

Inlet and Outlet Sections

The screw conveyor supports multiple inlet and outlet positions to allow for flexible feeding and discharging at different points. You can change the location of these ports easily to match the layout of your other production equipment.

Standard flange connections join the conveyor with various storage bins or processing machines in the feed mill. This versatile port design manages the entry and exit of materials across the entire length of the conveying pipe.

Blade

Pipes

Beari

Drive

Ports

Technical Parameters

The technical data for the screw conveyor reflects its high-efficiency bulk material handling and reliable performance across various tilt angles. This ensures a seamless transition of raw materials between production stages, maintaining a steady flow for downstream processing.

Model	TLSS16	TLSS25	TLSS30
Spiral diameter(m)	0.12	0.2	0.26
Rotating speed	127	127	127
Conveying distance(m)	1-6	1-6	1-6
Capacity(m³/h)	3-6	10-15	20-25
Power(kW)	2.2	2.2	3

Operational Principles of Screw Conveyor

Our auger conveyor utilizes a high-torque rotating flight to move bulk materials through a fully enclosed trough with absolute precision. This robust mechanical design ensures a steady, controlled flow while protecting your product from external contamination.

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Rotational Material Displacement

The central drive motor powers the helical screw flight to generate a continuous longitudinal force against the bulk material. This rotational movement pushes the product forward along the bottom of the stationary trough or pipe. The specific pitch of the screw determines the displacement volume to ensure a consistent delivery rate during every revolution.

This mechanical action converts rotational energy into linear motion to move materials efficiently over horizontal or inclined distances.

Enclosed Trough Containment

The heavy-duty outer casing of the screw conveyor provides a secure environment to prevent material spillage and dust emissions during transport.This enclosed structure protects the internal material from environmental moisture and airborne contaminants throughout the conveying process.

Specialized gaskets and bolted covers seal every joint to maintain a clean workplace and reduce product loss. The smooth internal surfaces minimize friction and prevent material buildup in the corners of the conveyor.

Support and Bearing Stability

High-quality hanger bearings support the central shaft at regular intervals to maintain perfect alignment under heavy loads. These precision components reduce shaft deflection and prevent the screw flight from contacting the outer trough walls.

Robust end-bearing assemblies absorb the axial thrust generated by the material resistance to protect the drive system from mechanical stress. Regular lubrication points allow for easy maintenance without requiring a complete disassembly of the conveyor framework.

Controlled Discharge and Integration

The screw flight delivers the material to the discharge spout with a predictable, pulsing-free flow for downstream processing. Outlets feature customized gates or valves to regulate the exit speed or redirect the product to multiple processing lines. The system integrates seamlessly with silos, mixers, or packaging machines to form a fully automated material handling network.

This streamlined exit design prevents blockages and ensures that the screw conveyor maintains peak throughput during continuous operation.

Key Advantages of Screw Conveyor

The conveyor machine features a professional structural design to ensure high-performance material handling for your feed production line. This specialized equipment combines stable operation with an airtight environment to maintain a safe and efficient workshop for global customers.

Stable Smooth Flow

The internal screw blades rotate steadily to push raw materials forward without any internal jamming issues. This anti-clogging design ensures a consistent flow of powders or grains during the entire conveying cycle.

Your technical team can operate this machine twenty-four hours a day to maximize the total production output. Reliable mechanical performance reduces unexpected downtime and makes your entire feed processing line much more efficient.

Dustproof Safety Design

The fully enclosed tubular casing prevents expensive raw materials from leaking into the factory air during transport. This airtight structure eliminates dust clouds in the workshop to reduce the risk of fire or sudden explosions.

Maintaining a clean environment protects the health of your workers and follows strict international safety standards. The integrated sealing system ensures that your factory stays professional and organized during high-capacity material handling tasks.

Low Maintenance Cost

Thickened wear-resistant blades and heavy-duty steel pipes provide a very long service life for the screw conveyor. The simple mechanical structure allows your staff to perform routine maintenance or parts replacement very quickly.

This efficient design reduces the total consumption of electricity and saves operational money over long-term industrial use. You can dismantle the internal screw shaft easily without moving the large bearings to save precious repair time.

Flexible Layout Options

This versatile machine supports various conveying distances and angles to fit your specific factory floor plan. We can customize the inlet and outlet positions to connect perfectly with your existing bins or processing equipment. The system also supports multi-point feeding and discharging to manage complex material distribution tasks in one line.

High adaptability makes this screw conveyor a perfect choice for both small feed mills and large industrial plants.

Global Case Study

RICHI’s screw conveyor systems have successful experience in many factories worldwide and can handle complex material requirements. These global installations prove our technical excellence in providing stable horizontal and inclined conveying solutions for diverse industrial sectors.

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Screw Conveyor Machine Solution in Thailand

This customer in Thailand produced ten tons of mash feed per hour but faced serious material leaks. We provided the TLSS25 equipment to replace their old open equipment for better sealing performance. The internal screw blades now push the raw materials smoothly through the seamless steel pipes every day. And the technical team enjoys the simple maintenance process and the stable power output of the new drive unit.

Screw Conveyor Project in Canada

A large grain terminal in Canada required a reliable system to transport wheat at a specific angle. We selected the TLSS30 screw conveyor with thickened blades to handle the high-volume daily grain flow. The machine moves bulk materials steadily to the next stage without causing any internal jamming or blockages. The customer achieved much higher operational stability and reduced the total electricity consumption of the production line.

Efficient Screw Conveyor Machine in Brazil

This soybean processing plant in Brazil needed an efficient way to distribute powder materials to multiple bins. We installed a customized TLSS25 machine featuring multiple inlet and outlet ports across the entire line. This flexible layout allows the operators to manage material flow to different storage sections with very high precision. The factory management highly praised the improved product pass rate and the overall reliability of our conveying technology.

Reliable Screw Conveyor Solution in France

A specialized additive factory in France required zero-dust transport for their delicate powder ingredients during production. We provided several TLSS16 screw conveyors with high-precision sealing gaskets to ensure a completely airtight path. The smooth internal pipe surface prevents material buildup and protects the physical integrity of the sensitive powders. The customer now operates an efficient production line with much lower manual cleaning requirements for their staff.

Application Scope of Screw Conveyor

The auger conveyor provides a reliable solution for horizontal or inclined material transport in various processing sectors. This auxiliary equipment fits into multiple production stages to ensure a steady and enclosed flow of materials across different industrial lines.

Industry Applications

Feed Processing Plants: Used for horizontal raw material conveying in poultry and aquatic feed lines. Machine fits mixing and batching sections to transport powders or small granules between different processing units.

Grain Storage Units: Applied in grain cleaning and storage sections of large-scale processing plants. System works at receiving areas to move bulk corn or wheat into storage bins or cleaning equipment.

Biomass Pellet Lines: Used for material transfer in modern wood chip and straw pellet production lines. It fits various stages of biomass processing to handle continuous material flow in high-intensity environments.

Target Animals

Livestock & Poultry Feed: Specifically used for conveying finished feed pellets for animals like pigs, chickens, and ducks. Application fits complete feed lines requiring enclosed transport to maintain product hygiene and quality.

Ruminant & Aquatic Feed: Applied in transport of nutritional feed for cattle, sheep, fish, and shrimp. System handles specific feed formulas for various farm animals and aquaculture species in commercial feed factories.

Specialty Pet Food: Used in production lines for premium pet food pellets like dog and cat food. It fits final packaging or transfer stages to ensure clean and efficient transport of finished pet food products.

Raw Materials

Grain & Powder Materials: Handles common ingredients like corn, wheat, soybean meal, and various feed powders. Screw conveyor fits the transport of dry, loose materials in both initial cleaning and final processing stages.

Finished Feed Pellets: Used for moving cooled feed pellets and various granulated products after the pelleting process. It is the main choice for horizontal transport of finished goods in the feed industry.

Biomass & Fiber Materials: Supports conveying of organic materials like wood chips, straw, and biomass pellets. Application covers multiple types of fibrous and granular materials in energy and agriculture production sectors.

Buyer’s Guide & Support Center

All your questions are answered here! Below are answers to frequently asked questions about the screw conveyor, providing you with comprehensive answers.

Does this equipment consume a lot of electricity during operation?

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No, the machine is very efficient even when moving material at a steep angle. It uses a high-quality motor and a specialized reducer to provide strong torque with low power input. This design ensures the machine handles heavy loads smoothly while keeping your daily energy costs low.

What parts of the machine need regular replacement?

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The main parts that experience wear are the internal screw blades, the support bearings, and the drive belts. We use heavy-duty, abrasion-resistant steel for the blades to ensure they stay functional for a long time. You only need to perform simple maintenance like regular lubrication to keep these parts working at peak efficiency.

How does the machine stay safe when moving material at a steep angle?

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The conveyor features a fully enclosed steel pipe structure that keeps all dust and material inside. This design prevents leaks and reduces the risk of fire in your workshop. We also install safety sensors that can detect if the machine slows down or if the material creates a backup, allowing for an immediate stop to prevent damage.

Can this machine handle both powders and pellets in short distances?

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Yes, the conveyor works perfectly for many types of dry materials. It can move fine powders, small grains, and finished feed pellets with ease. We can adjust the pitch of the screw blades and the diameter of the pipe to match the specific flow characteristics of your material and the exact length of your production line.

Is it difficult to clean or maintain the internal screw blades?

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Maintenance is very simple and does not require you to take the whole machine apart. We design the conveyor with quick-access inspection ports at both ends and along the body. You can easily check the condition of the blades or clean out any leftover material through these openings, which keeps your downtime very short.

Can I adjust the installation angle if my factory space is limited?

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Yes, this screw conveyor is specifically designed for flexible layouts in tight spaces. You can install it at a very steep angle to save floor space while still moving material to a higher level. We can customize the length of the conveyor and the support frame to fit perfectly between your existing machines without requiring any major changes to your workshop.

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