Botou Xin De brand U-U-screw conveyor screw conveyor is Botou Xin De absorption of foreign advanced technology and design of transportation equipment, the equipment used for transporting small granular and powdered materials, can also at 15 ° angle range within as inclined conveyor, and therefore on the basis of a single point of access to materials can also be multi-point access to materials. For transportation of toxic, explosive, high-temperature materials and ease of flying, improving workers operating conditions and reducing environmental pollution has unique strengths. The machine has a whole lifetime high, running balance, simple structure, reasonable, sealing strong, easy to install, the combination of fast, safe and reliable transportation distance, etc. can be arbitrarily chosen. The machine is divided into two kinds of fixed and modular, and by changing the number of the middle section to meet different transmission distance requirements. It is widely used silos and grain, feed and bulk materials, chemicals, cement, metallurgy, building materials, machinery and other industries and sectors, is continuously conveying powder, granular and small pieces of material handling equipment ideal. Features: 1, with a single high-strength mineral drag scraper ring chain, and the choice of the concave tooth sprocket drive, with a load capacity, long life and high chain strength characteristics. 2, automatic tensioning chain can ensure the chain in a long time is always running under moderate tension, eliminating the artificial tension must be timely and frequent operations. 3, chain and scraper backhaul segment run by riding wheel bearing, not only by grinding effort, and by automatically change back to a number of inter-chain idler deflection helps automatic chain tensioner and glide. 4, such as the drive mechanism bear in the nose and the upper cabinet self-contained, and can run the whole installation without using anchor bolts can be placed freely in situ. 5, the operating speed can be controlled YVP series motor and inverter combination, is an internationally advanced speed mode. 6, feeding method by using both sides of the large size of the shunt to enter, so the return and feed chain and scraper isolation, and large-size material thickness constant delivery forward. The chain and scraper back with material phenomena do not occur.