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What is a roll dumper
2022-12-14
A roll dumper refers to a large-scale mechanical equipment used to dump bulk materials on railway open cars. It is a loading and unloading machine that can turn rail vehicles over or tilt them to unload them. It is suitable for ports with large transportation volume and industrial sectors such as metallurgy, coal, and thermal power. The mine cars under the mine are also mostly unloaded with small roll dumpers. The roll dumper can dump 1-4 wagons at a time. The early equipment can only dump 1 wagon, and the largest roll dumper can dump 4 wagons.
There are many forms of roll dumpers, which can be divided into through type and switchback type according to the process of roll dumper. According to the structural form, it can be divided into rotor type, side tilting type, end unloading type and compound type, etc. Among them, the rotor type roll dumper is the most used. Rotor roll dumpers can be divided into O-shaped and C-shaped. At the same time, it can also be divided into wire transmission and gear transmission according to the driving force of the roll dumper. According to the dumping capacity of the roll dumper, it can be divided into "single dump", "double dump" and "triple dump". The largest roll dumper unloading system can dump 4 wagons at a time. According to relevant data, the maximum daily utilization hours of the roll dumper is 12 hours. Since the incoming trains may not be able to unload in time after they arrive, there will be a part of the waiting time for interruption and the train inspection time at the station. Therefore, the actual effective time of the roll dumper is 10 hours per day, that is, the average effective time utilization rate is 40%. If the average load of vehicles is calculated as 60t per vehicle, the average daily comprehensive production capacity of a roll dumper can reach about 15,000t (day and night).
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