First of all, the heavy duty apron feeder can withstand the direct impact of more than ten tons of ore car unloading materials, and has the advantages of conveying large density, large size, strong wear and other materials. Second, the heavy duty apron feeder durable, long service life, small maintenance, easy to start and stop, stable and reliable operation. This machine is often used in the bottom of the raw material bin, because it can directly bear the huge pressure of ore in the ore bin, to ensure the even and stable feeding, the follow up crushing operation is reliable, which is conducive to the normal operation of the follow-up equipment, there will be no instant break or instant overflow. In the cement mine, this equipment is often installed tilting, so that the actual material pressure borne by the feeder is far less than the actual gravity of the material, greatly reducing the load of the feeder. Due to the large installation angle of the
apron feeder, on the one hand, when the equipment is shut down, it can ensure that the ore in the warehouse will not fall into the crusher along the feeder trough; On the other hand, the height difference can be reduced in the equipment and process configuration, and the site adaptability is stronger when the production line is selected, and the high level of raw material unloading platform can be avoided, so that the raw ore can be transported to the high level and the conveying cost can be increased.
In addition, the compressive strength of limestone ore used for cement is medium, the ore produced is of different shapes, edges and corners, the ore does not have liquidity, in the ore warehouse, the ore gap size is different, uneven distribution, internal stress is not uniform, needle flake ore easy to bridge each other, jam clog. But the plate feeder uses the frequency conversion speed control, the feeding quantity can be adjusted, can take the material heavy load start, open and shut down the convenience, and can force unloading, can greatly reduce the phenomenon of stuck material. When the plate feeder is in operation, the equipment vibration is small, the bearing heating is slow, the equipment is easy to be sealed, the dust removal system at the unloading place is simple to be arranged, and the work sound is small, relatively safe and environmental friendly. Heavy duty apron feeder equipment is heavier, larger, the initial investment is a little bit larger, but the operation is safe, stable and reliable, the equipment later operation and maintenance cost is low.
At present, in the construction of gravel production, heavy duty apron feeder temporarily has not been widely used, due to the long time, the construction of gravel main production were performed by the small and medium sized private enterprises, its equipment also is not made to the large improvement, nearly a year or two, and domestic large and medium-sized have expanded into the cement in the construction of gravel production enterprises are also mostly uses the traditional vibrating feeder, with the rapid development of building stone industry, the disadvantages of vibrating feeder will be more and more obvious. The heavy duty
apron feeder has the characteristics of large grain size, large ore pressure, safe and reliable operation, smooth and stable feeding, low comprehensive cost in the later stage, and has been used in cement mines for many years, the enterprise is familiar with its performance and operation and maintenance technology. With the rapid development of economic construction, heavy duty apron feeder will be more widely used in the construction of gravel production.
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