The powder used for concrete is mainly cement, fly ash and mineral powder. At present, in the concrete batching plant, the common powder delivery method is by screw conveyor.
The advantages of screw conveyor: structure is simple, low cost, high reliability
After daily operation, empty the screw feeder. Check the operation, seal, and lubrication of the gearbox once a week, no abnormal sound, oil spilling and other phenomena, oil shortage should be promptly replenished, but it should not exceed the oil level line. Check the exit and hanging bearings once a week for sediment, if so, remove it to avoid blocking. Checking the connection and fastening status of the whole machine once a month. In the conveying material, the hard bulk material or foreign matter is strictly forbidden.