Selection standard of shaftless screw conveyor

Points for attention in the selection of screw conveyor: 　　1. Conveying capacity: The conveying capacity of screw conveyor refers to the amount of material conveyed per unit time. When conveying bulk materials, it is calculated by the mass or volume of the materials conveyed per hour; when conveying into pieces, it is calculated by the number of pieces conveyed per hour. When matching with vibrating screen equipment such as linear vibrating screen, rotary vibrating screen, ultrasonic vibrating screen, etc., it is necessary to calculate the feed volume of the vibrating screen and control the conveying volume. Before designing and producing most conveyors, it is necessary to consider whether to use it with other production equipment in order to design the conveyor model reasonably.　　2. Conveying speed: Increasing the conveying speed can increase the conveying capacity. When the loading conveyor belt is used as the traction member and the conveying length is large, the conveying speed is increasing day by day. However, high-speed belt conveyors need to pay attention to problems such as vibration, noise, starting and braking. For conveyors with chains as traction parts, the conveying speed should not be too high to prevent the increase of power load. At the same time, the conveying speed of the feeder for process control should be determined according to the production process requirements.　　3. Component size: The component size of the conveyor includes the width of the conveyor belt, the width of the slat, the volume of the hopper, the diameter of the pipe, and the size of the container. The size of these components directly affects the conveying capacity of the screw conveyor.　　4. Conveying length and inclination angle: The length and inclination angle of the conveying line directly affect the total resistance of the conveyor and the required power. At present, there are many types of conveyors, some with direct parallel feeding, and some with a certain inclination angle, so these conditions of use must be explained when selecting the screw conveyor.　　5. The screw conveyor motor can choose the speed adjustable motor and the ordinary motor to control the conveying speed and the conveying volume per hour.　　Without central axis interference, it has special advantages for conveying belt-shaped and easy-to-wind materials. Application of shaftless screw conveyor: The xLS series shaftless screw loading conveyor is used in sewage treatment plants to transport materials such as the grid slag of the decontamination machine and the mud cake of the filter press with the fine grid and the grid spacing of 50mm. Good environmental performance. The use of fully enclosed conveying and easy-to-clean spiral surface can ensure environmental sanitation and the delivered materials are not polluted and leak-free. Large torque and low energy consumption. Because the screw has no shaft, the material is not easy to be blocked, and the discharge port is not blocked, so it can run at a lower speed, drive smoothly, and reduce energy consumption. The torque can reach 4000N/m. The delivery volume is large. The conveying capacity is 1.5 times that of the traditional shaft screw conveyor with the same diameter. Long conveying distance. The length of single machine can reach 60 meters. And according to the needs of users, it can adopt multi-stage series installation to transport materials over long distances. It can work mobile and has multiple functions in one machine. The material can be discharged from the bottom and at the end. With special lining board, the machine can work under high temperature. Compact structure, space saving, beautiful appearance, easy operation, economical and durable.

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