The Coal Flexible Screw Conveyor transports coal to the required location via a flexible conveying hose. This equipment can convey coal at various angles, including horizontal, inclined, and vertical, and its relatively simple overall structure makes it suitable for conveying coal in various scenarios, with diverse shapes, dust-prone environments, and complex site layouts. The equipment can convey 1 to 12 tons per hour over distances of 3-15 meters; with the addition of an intermediate bearing, the conveying distance can be extended. The following provides a detailed introduction to the equipment's working principle, conveying characteristics, price, and suppliers.
When the Coal Flexible Screw Conveyor is in operation, the feed inlet is placed into the coal to be conveyed. Then, the drive motor is started, and the blades begin to rotate, continuously pushing the coal from the feed inlet into the sleeve, and gradually moving it towards the discharge end along the hose in horizontal, vertical, or curved directions. The coal can then fall into silos, batching machines, or other equipment at the discharge end.
The flexible hose material of the Coal Flexible Screw Conveyor allows for flexible use and a lightweight design, giving the equipment the following advantages:
Coal transport may encounter lump coal, slag, or wet coal with a slightly high moisture content. The Coal Flexible Screw Conveyor's continuous shaftless design eliminates the need for a shaft occupying intermediate space, preventing the accumulation of pulverized coal.
Coal transport is prone to dust generation and pollution. The flexible screw conveyor features a fully enclosed tubular structure, transporting materials within a sealed, flexible tube. A sealed hopper can be fitted at the inlet, and a dustproof connector can be fitted at the outlet, virtually eliminating material leakage and dust generation.
The Coal Flexible Screw Conveyor is lightweight and can be quickly secured using brackets and clips. It can also be equipped with a mobile trolley to create a mobile flexible screw conveyor, suitable for temporary operations in coal yards and workshops.
Coal conveyors may experience sudden increases in feed rate or the introduction of foreign objects during transport. Flexible screw conveyors can be equipped with overload protection devices on their drive motors, automatically stopping the machine in case of obstruction to prevent motor burnout and blade deformation, thus reducing downtime.
The price of a Coal Flexible Screw Conveyor ranges from approximately $600 to $4000. For example, a flexible screw conveyor with a load capacity of 5 tons and a hose diameter of 100mm costs around $900. The longer the hose and the larger the diameter, the higher the overall price. The price depends on factors such as the hose material, hose diameter, and motor. Please provide the supplier with detailed requirements for an accurate quote.
| Equipment Specification | Pipe Diameter Range | Conveying Length | Price Range (USD) | Remarks |
| Small Standard Type | 50-100mm | 3-8m | 500-1,700 | Carbon steel material, fixed speed, shaftless screw. |
| Medium Universal Type | 120-200mm | 8-20m | 2,000-4,000 | Wear-resistant manganese steel blades + polyurethane casing, variable frequency speed regulation available. |
| Large Customized Type | 250-300mm | 20-50m | 4,500-9,000 | Thickened wear-resistant casing + heavy-duty motor, including overload protection and mobile support. |
| Mobile Portable Type | 80-150mm | 5-15m | 1,500-3,500 | Equipped with mobile trolley, bendable and direction-changeable. |
| Special Customized Type (Explosion-Proof / High Temperature Resistant) | 100-300mm | 5-30m | 9,000-15,000 | Explosion-proof motor + high temperature resistant casing. |
Suppliers of Coal Flexible Screw Conveyors are located in the United States, India, China, and other countries. American manufacturers produce equipment with sophisticated technology and high durability, but their equipment is relatively more expensive. Indian manufacturers produce equipment capable of handling basic coal conveying functions, while Chinese manufacturers offer faster response times and stronger customization capabilities. When selecting a conveyor, the appropriate choice should be made based on the specific coal handling conditions.
Coal, as an industrial raw material, is widely used in thermal power, electric power, steel, and building materials industries. The Coal Flexible Screw Conveyor, with its compact size, low price, and flexible conveying characteristics, has become one of the commonly used coal conveying equipment. Whether for temporary coal transfers or conveying coal from low to high elevations, the equipment can effectively complete the conveying work, providing convenience and efficiency for coal production.
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